Jaeger-LeCoultre – DUOMETRE Heliotourbillon Perpetual in Platinum Edition

Jaeger-LeCoultre – DUOMETRE Heliotourbillon Perpetual Сalendar in Platinum 44mm Edition 2026

 THE ELEGANCE OF PLATINUM HARMONY COMPLEMENTS EXCEPTIONAL HOROLOGICAL COMPLEXITY

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KEY FACTS:

•     New platinum 950 bracelet:  extending the timepiece’s refined monochrome aesthetic
•     An innovative tourbillon: triple-axis construction creates a unique kinematic effect and enhances precision
•     Calibre 388: allies the Duometre concept to a perpetual calendar with Grande Date display
•     An exclusive production: each timepiece is part of a highly exclusive limited production of just 20 pieces

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In 2024, Jaeger-LeCoultre created the Duometre Heliotourbillon Perpetual, uniting two lines of expertise in high-precision timekeeping – the Duometre concept and a novel form of multi-axis tourbillon – to create Calibre 388. Now, it reinterprets this highly sophisticated perpetual calendar timepiece in platinum, with a new case and matching bracelet complemented by a grey dial. It will be produced in a limited and numbered edition of 20 pieces.

A MONOCHROMATIC PALETTE CREATES AESTHETIC HARMONY

Crafted in platinum for this new model, the 44 mm Duometre case is a contemporary interpretation of the savonette pocket watches created by Jaeger-LeCoultre in the 19th-century. Its rounded contours, amplified by the convex crystal, polished bezel and deeply notched winding crown are highly tactile as well as visually appealing. The apparent simplicity of the case belies its complexity: it comprises 40 separate parts and the lugs are screwed rather than integrated, to enable a mixture of polished, brushed and micro-blasted surfaces that play with shadows and reflections as every movement of the wrist captures the light differently.

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Created specifically for this reinterpretation of the Duometre Heliotourbillon Perpetual, the new platinum 950 bracelet combines technical sophistication with refined elegance. Its supple five-row construction ensures exceptional comfort on the wrist, while alternating brushed and polished finishes echo the meticulous finishing of the case. Inspired by the vintage design codes of the Duometre collection, the bracelet’s fluid integration enhances the distinctive rounded silhouette of the case. Each link is individually domed along the 12 o’clock to 6 o’clock axis – subtly recalling the curvature of the lugs – and carefully brushed and bevelled on both sides to create a sophisticated interplay of light. 

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Harmonising with the cool silvery tones of the platinum case and bracelet, the new all-grey dial is finished in a mix of opaline, brushed and azuré surfaces, creating subtle contrasts between the different indications. The curving platinum bridge that separates the displays from the tourbillon aperture is finished with microblasting and bevelling. In contrast, the polished hands, applied hour markers and frames surrounding the date display create a subtle interplay of light. 

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 Directly expressing the underlying Duometre mechanism, with its two barrels and gear trains, the symmetrical dial layout of the Duometre Heliotourbillon Perpetual forms a triangle, with its apex defined by the grande date display at 3 o’clock.  The two power reserves sit above and below the time display. The ‘base’ of the triangle is formed by the display of moon-phases and days in the upper sector, and the perpetual calendar’s months and years in the lower part.

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On the left-hand side of the dial, the triple-axis tourbillon performs its ‘spinning top’ rotation and a sapphire crystal window in the side of the case offers another view of its mechanical dance. The tourbillon is set above a background of deep blue lacquer representing a starry sky and, as it spins, red triangles set on the third cage indicate 20-second intervals, which are marked on a sapphire crystal arc.

BREAKTHROUGHS IN PRECISION: 
THE HELIOTOURBILLON AND THE DUOMETRE CONCEPT

Incorporating Jaeger-LeCoultre’s eight decades of accumulated expertise in the tourbillon regulating mechanism, Calibre 388 features a distinctive tourbillon construction that spins on three axes, enhancing chronometry and creating a kinematic effect that resembles a spinning top.

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As it spins on a single axis, the traditional tourbillon does not compensate for the effects of gravity in all positions, which led the Manufacture’s engineers to develop different configurations, including the signature dual-axis Gyrotourbillon. The Heliotourbillon takes this thinking further, with three titanium cages rotating on three axes and a cylindrical hairspring. The first cage is set at a 90-degree angle to the balance wheel and the second cage is set at 90 degrees to the first. Together, these two cages are driven and constrained by an axis tilted at 40 degrees which makes a full rotation in 30 seconds. The third cage is perpendicular to the second and makes a full rotation in 60 seconds.  Supported on ceramic ball bearings to minimise friction, the tourbillon consists of 163 components and weighs less than 0.7 grams. 

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Before Jaeger-LeCoultre developed the Duometre concept, adding complications to a watch movement seemed irreconcilable with accurate timekeeping. That’s because the fundamental requirement of precise timekeeping is that the power supply from the barrel to the escapement should never vary. However, a complication must draw on the power supply to operate, thus interrupting that steady flow and jeopardising precision. 

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Introduced in 2007, the patented Duometre mechanism features two barrels and two separate gear trains housed in a single calibre and linked to a single regulating organ. One gear train powers the time indications and the other drives all additional functions. By separating the power supply in this way, the Duometre mechanism guarantees an exceptionally high degree of operating accuracy.

A PERPETUAL CALENDAR WITH A GRANDE DATE DISPLAY

Complementing the sophistication of the tourbillon and Duometre mechanisms, Jaeger-LeCoultre’s watchmakers integrated a perpetual calendar into Calibre 388. Automatically adjusting for months of different lengths and for leap years, it needs no manual correction until 2100 and subsequently only in centenary years that are not also leap years. 

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The year indication shows the last digit of a leap year in red – a Jaeger-LeCoultre patent. Unusually, in Calibre 388 the hours and minutes can be set either backwards or forwards without compromising the perpetual calendar. Normally, a perpetual calendar is set through the passing of time (the hour and minute hands), so adjusting the time backwards desynchronises and can damage the calendar mechanism. Calibre 388 also includes a Grande Date display: a classical yet rare complication sought-after by watch connoisseurs, and a moon-phase indication accurate to 122 years.

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Calibre 388 features fine decoration, even on components that are not visible through the sapphire crystal caseback: brushed surfaces contrast with perlage; edges are hand-bevelled and polished; sunrayed Geneva stripes (côtes de Genève soleillées) radiate seamlessly across the expanse of the bridges. Like all Jaeger-LeCoultre movements, Calibre 388 was conceived, designed, produced, assembled and finished within the Manufacture. 

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Complex, highly innovative and aesthetically refined, the Duometre Heliotourbillon Perpetual in platinum epitomises Jaeger-LeCoultre’s boundless creativity and its technical sophistication represents a new achievement in the Maison’s quest for timekeeping precision.

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TECHNICAL CHARACTERISTICS

Collection: DUOMETRE 

Model:  DUOMETRE Heliotourbillon Perpetual Platinum 44mm Edition

Reference: Q6206150

Case
    Material: Platinum 950
    Dimensions: 44 mm
    Thickness: 14.7 mm
    Water-resistant to 3 bar
Dial 
    Anthracite grey with opaline, brushed and azuré finishes
Movement
    Manually wound Jaeger-LeCoultre Calibre 388
    Diameter: 34.30 mm
    Height: 11.15 mm
    Frequency: 4 Hz, 28'800 vph
    Number of parts: 655
    Number of jewels: 89
    Power reserve of 46 hours for each barrel 
TRIPLE-AXIS HELIOTOURBILLON

• Three cages made of titanium
• 163 components
• 28’800 vibrations per hour (4Hz)
• 0.695 grams
• Comprising an 281 components

Functions
    Hours and minutes, seconds,
    Heliotourbillon,
    Perpetual calendar (day, date, month, year),
    Moon phases,
    Two power reserves,
    Day/Night indicator, 
    Twin Power-Reserve. 
EGIBLE PERPETUAL CALENDAR

• 4 sub-counters display
• Grande Date display
• Patented leap year indication
• 122-year Moon phase display
• Strap

    Platinum 5-row bracelet with white gold clasp

 

🔰Limited edition of 20 pieces
🔴Price  upon request

  UP TO 8 YEARS OF WARRANTY

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Jaeger-LeCoultre – REVERSO Hybris Artistica Calibre 179 Pegasus Gold Edition

Jaeger-LeCoultre – REVERSO® Hybris Artistica Calibre 179 Pegasus Duoface Gyrotourbillon Gold Edition 2026

A NOBLE MARRIAGE OF TECHNICAL PROWESS AND AESTHETIC BEAUTY
REINTERPRETED IN WHITE GOLD

Key Facts:

• Exceptional craftsmanship: hand-engraved case representing 180 hours of work; hand-lacquered and hand-bevelled bridges; fully skeletonised reverse dial
• Mechanical excellence: Gyrotourbillon with 123 components, inner cage rotating 360° every 16 seconds, peripheral carriage rotating once per minute
• Innovative double-wheel buckle mechanism: 18K pink gold (750/1000) folding clasp adjustable to 0.5mm 
  

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As it continues to expand the mechanical and artistic potential of Haute Horlogerie through the Hybris series of limited-edition timepieces, Jaeger-LeCoultre revisits the Reverso Hybris Artistica Calibre 179, harnessing the skills of the master engravers in the Manufacture’s Métiers Rares™ atelier.  

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Reverso Hybris Artistica Calibre 179 Pegasus is presented on a blue alligator strap with an innovative, micro-adjustable clasp and will be a limited edition of five pieces.

SHOWCASING THE ARTISTRY OF THE MÉTIERS RARESTM ATELIER

From polo to Pegasus: The legendary winged horse of Greek mythology – believed to have carried thunderbolts for Zeus and to have created springs to flow wherever its hoof touched the ground – Pegasus symbolises freedom, creative power and elevation beyond limits. More than a myth, it represents the moment when technique becomes imagination.

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This symbolism resonates with the Reverso’s equestrian origins. Designed on the polo field, its swivelling case reflects a constant interplay between protection and expression, discipline and freedom – echoing the dual nature of the horse itself. The connection extends through the Year of the Fire Horse, a sign of intensity, independence and bold energy. Together, these references position the horse as more than inspiration: a thread that unites function, symbolism and creative transformation at the heart of the Reverso. 

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Celebrating the savoir-faire of Jaeger-LeCoultre’s Métiers Rares™ atelier, the hand-engraved case marries rare artistic sensibility with remarkable precision and dexterity: the Maison’s master engraver must devote 180 hours of intensely focused work to each watch, to craft the image of Pegasus against a background of clouds. The sculptural effect of the relief engraving creates areas of reflection and shadow, emphasising the sense of volume. As the engraving wraps seamlessly around the convex case-sides, it almost completely obscures the join between the upper and lower sections of the case.

Where mechanism becomes art: The cloud motif that forms the backdrop to Pegasus is repeated on the front dial, where two dial plates – each on a different level – enhance the symmetry of the time display and the tourbillon aperture.

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To create the decoration, more than 50 hollows were formed in the surface of the 18K pink gold (750/1000) plates, leaving only the cloud-shaped outlines visible. Each hollow is then hand-filled with different shades of blue lacquer, applied in multiple layers until its surface is perfectly flush with the outlines.

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Between the plates, open-worked bridges, also hand-lacquered in dark blue, offer a tantalising glimpse of the movement – in keeping with the Hybris philosophy of celebrating mechanical as well as decorative art.

Turning the case over to the reverse dial, where the Duoface movement displays the second time zone, the beauty of the calibre is fully revealed.

Blue lacquer has been applied to the fine tracery of the skeletonised hours-minutes ring and its supporting bridges, highlighting the airy aesthetic. It contrasts with the warm tones of the 18K pink gold (750/1000) movement components and the soft texture of micro-blasted surfaces.

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The skeletonisation is complemented by hand bevelling and hand-applied lacquer. Representing approximately 14 hours of hand-bevelling work only for the cage of the Gyrotourbillon and eight hours for the signature shape of one bridge on the reverse side, the Reverso Hybris Artistica Calibre 179 is testament to Jaeger-LeCoultre’s commitment to craftsmanship of the highest order. 

A MECHANICAL MASTERPIECE

Inspired by a fascination with the tourbillon: Calibre 179 features the fourth evolution of the Gyrotourbillon, Jaeger-LeCoultre’s signature multi-axis tourbillon – a technical tour-de-force developed expressly for the rectangular case of Reverso. The demand that the regulating mechanism be integrated into a shaped movement that follows the contours of the rectangular Reverso case and is slim enough to be comfortable on the wrist, makes the engineering feat even more noteworthy. Moreover, as a Duoface movement, Calibre 179 displays a different time zone on each dial as well as a 24-hour indicator on the reverse dial.

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Highly complex and visually enthralling to observe as it pirouettes around its twin axes, the Gyrotourbillon comprises 123 components, including one ultra-light titanium cage and a peripheral carriage mounted on ball-bearings. These two elements turn perpendicularly to each other at different speeds – the inner tourbillon cage rotating 360 degrees in just 16 seconds and the peripheral carriage making a full rotation once per minute. This peripheral carriage also provides a small-seconds function, indicated on a ring that encircles the tourbillon aperture. 

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A closer look reveals a greyed semi-spherical balance spring beating at the heart of the mechanism, as well as the distinctive double-anchor shape of a Gyrolab balance ‘wheel’ – both elements paying testament to Jaeger- LeCoultre’s tireless quest for greater precision and mechanical efficiency. In this quest, the Manufacture’s engineers have created balance springs in several different forms over the years and this hemispherical shape, perfectly adapted to the hollow sphere at the heart of the Gyrotourbillon, adds aesthetic refinement as well as mechanical efficiency. The double-anchor shape of the Gyrolab was designed to reduce air friction and thus further enhance timekeeping accuracy.

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Rather than being held in place by a conventional bridge, the tourbillon mechanism is supported by a ring of ball bearings, creating the illusion that this flying Gyrotourbillon is floating freely in the space between the front and back dials of the Reverso. The effect is amplified by the light reflected from the mirror-like surface of a polished blue lacquer disc positioned on the supporting cradle of the watch directly beneath the tourbillon aperture. 

REVERSO: FROM ART DECO ORIGINS TO TIMELESS DESIGN ICON

Since its creation in 1931, the Art Deco lines and swivelling case of the Reverso have made it one of the most recognisable designs in watchmaking.  The rectilinear geometry and harmonious proportions of the case belie the complexity of the signature slide-and-swivel mechanism. Emphasised by the signature gadroons above and below the dial and a deeply engraved sunray pattern on the inside of the case cradle, the strong Art Deco lines counterbalance the intricate decoration of the case and dials of the Reverso Hybris Artistica Calibre 179 Pegasus.

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A movement as complex as Calibre 179 naturally requires a generously sized case; however, with a thickness of 12.41mm and refined lugs, Reverso Hybris Artistica Calibre 179 Pegasus is both elegant and wearable. Fastening the dark blue alligator strap, the adjustable folding clasp epitomises Jaeger-LeCoultre’s approach to refined elegance through technical innovation. Crafted in 18K pink gold (750/1000) and comprising 46 components, it incorporates an intricate double-wheel system that allows for micro-adjustments to the nearest 0.5mm, ensuring a perfect fit.

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Crafted for true connoisseurs of art and mechanics, the Reverso Hybris Artistica Calibre 179 Pegasus blends exceptional watchmaking savoir-faire and decorative artistry in a noble expression of the 180 skills brought together under one roof at the Manufacture Jaeger-LeCoultre. 

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TECHNICAL CHARACTERISTICS

Collection: REVERSO 

Model:  REVERSO HYBRIS ARTISTICA CALIBRE 179 Pegasus Pink Gold Edition

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Reference: Q39424E5

Case
    Material: 18K pink gold (750/1000)
    Dimensions: 51.1 x 31 mm
    Thickness: 12.41 mm
    Water-resistant to 30 meters
Dial 
    Front dial: Blue lacquer
    Fully skeletonized reverse dial
    Back dial: Skeletonised, coated with blue lacquer
Movement
    Manually wound Jaeger-LeCoultre Calibre 179
    Diameter: 34.55mm
    Height: 6.85mm
    Inner cage rotating 360° every 16 seconds
    Frequency: 3 Hz, 21'600vph
    Number of jewels: 52
    Number of parts: 385
    Power reserve of 40 hours
Function
    Hours and minutes on both dials
    Second time zone with 24-hour indicator on reverse dial
    Gyrotourbillon (visible on both front and reverse dials)
Strap 
   Blue alligator leather
   Adjustable to the 0.5mm
   Solid pink gold buckle weighting close to 30g
   Pink Gold 750/1000 (18 carats)

🔰Limited edition of 5 pieces

🔴Price  upon request

  UP TO 8 YEARS OF WARRANTY

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Jaeger-LeCoultre – MASTER Grande Tradition Tourbillon Jumping Date Gold Edition

 

 

Jaeger-LeCoultre – MASTER ® Grande Tradition Tourbillon Jumping Date 42mm Gold Edition 2026

 REINTERPRETED FOR THE GRANDE TRADITION LINE: 
A RESTRUCTURED MOVEMENT CREATES A NEW AESTHETIC

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KEY FACTS:

    High-precision calibre: new movement architecture creating a fresh aesthetic for Calibre 978, which in 2009 won the first modern-era chronometry competition

    Open-worked dial: new design highlighting the tourbillon and the signature ‘jumping’ date mechanism

    Sophisticated case: capturing the Grande Tradition design codes in a 42 mm case comprising 60 components

    Refined rounded-off bridges: new tourbillon and 24-hour disc aesthetic, elevated by 18K White Gold (750/1000) bridges

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With the new Master Grande Tradition Tourbillon Jumping Date, Jaeger-LeCoultre revisits one of its most notable tourbillon calibres. The precise and reliable Calibre 978 made its debut 20 years ago and three years later, in 2009, the Manufacture celebrated a remarkable achievement in timekeeping precision as this calibre won the first modern chronometry competition. With a restructured movement architecture, the latest iteration of Calibre 978 is presented in a new 42 mm 18K Pink Gold (750/1000) case complemented by a fresh dial design and refined High Watchmaking finishes – a lively and elegant homage to the calibre’s illustrious past, issued in a limited edition of 100 pieces.

AN EXCEPTIONAL TOURBILLON CALIBRE IN PURSUIT OF PRECISION

Invented to enhance timekeeping precision by compensating for the effects of gravity on the regulating organ, the tourbillon has long been a field of dedicated research for Jaeger-LeCoultre, which created its first tourbillon movement in 1946. Since then, the Manufacture has continuously refined its approach to regulating organs, developing numerous technical innovations aimed at improving chronometric performance.

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A chronometric distinction: A prime example of these advancements is the Calibre 978. In 2009, it won the first modern chronometry competition inspired by 19th-century observatory competitions – a demanding 45-day trial organised to mark the 50th anniversary of the International Museum of Horology in Le Locle, Switzerland. This trial, conducted by two independent official bodies, rigorously tested not only the precision of the watch’s movements but also their reliability during wear, by notably including resistance tests for shocks and magnetism. It unequivocally demonstrated both the validity of the tourbillon escapement’s original purpose and the exceptional quality and precision of the Manufacture’s craftsmanship.

An ultra-light regulating organ: The tourbillon of the Master Grande Tradition Tourbillon Jumping Date is made of 64 components and weights less than 0,5 grams.

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An intuitive jumping date mechanism: When first unveiled, Calibre 978 introduced, beyond its 60-second rotation tourbillon, a playful yet thoughtfully engineered “jumping” date mechanism, which remains integrated into this new watch. The dates are displayed around the periphery of the dial, with the 15 and 16 positioned on either side of the tourbillon aperture and separated by an angle of nearly 90 degrees. Starting at midnight on the 15th of each month, the date hand glides to the 16th to ensure that the tourbillon is not obscured from view.

An ingenious 24-hour disc: The Master Grande Tradition Tourbillon Jumping Date features a 24-hour disc that can be adjusted independently from the main hour and minute hands. This disc indicates day and night (AM/PM) when synchronized with the primary time display but can ingeniously also function as a second time zone indicator. 

HIGH WATCHMAKING MOVEMENT FINISHING

As Jaeger-LeCoultre is constantly inventing, reinventing and improving on its own innovations, Calibre 978 is no longer precisely the same movement: it has been restructured in 305 components so that interesting elements can be seen through openings in the dial. The revised architecture is also complemented by more refined finishing.

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This intricate finishing of components involves the expertise of 8 different workshops at the Manufacture to perform 10 types of decorations on the calibre among which perlage, bevelling, hand-bevelling, linear brushing, sunray brushing, Côtes de Genève, sandblasting and diamond polishing. Over 30 components are decorated by hand and 61 angles are hand-bevelled.

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The two 18K White Gold (750/1000) upper bridges of the tourbillon and the 24-hour disc have been intricately polished to create a perfectly rounded half-moon profile using a High Watchmaking technique called berçage (rounding off), which necessitates the precise and skilful use of a burnishing file in a rocking motion. Viewed through the transparent sapphire case back, the bridges are decorated with sunray-style stripes – a Jaeger-LeCoultre signature finish known as Côtes de Genève soleillé. 

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The radiating stripes perfectly complement the shape of the base plate, which showcases the classic tourbillon with its screw balance wheel and its decorated lower bridge. The design of the full-sized winding rotor has been carried over from the original Calibre 978, with a large cutaway in the finely finished, monobloc 22K Pink Gold (916/1000) oscillating weight that ensures a clear view of the tourbillon.

MECHANICAL CLARITY: 
A NEW DESIGN FOR FUNCTIONAL DISPLAY

The new Master Grande Tradition interpretation of Calibre 978 introduces a new dial aesthetic, open-worked to showcase major elements of the calibre, namely the tourbillon and the 24-hour disc, both held by White Gold bridges, as well as the jumping date mechanism. In addition to the large aperture for the tourbillon, the revisited movement architecture has made it possible to add a second cutaway at 9 o’clock that displays the calendar driver mechanism, which triggers the date hand’s rapid glide, enabling the owner to observe its function. Another aperture reveals the structural screws that hold a wheel staff at 2 o’clock – a window into the mechanics that provides visual balance to the dial.

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The dial is rich in detail and decoration: a barleycorn pattern on 18K Pink Gold (750/1000) dial creates texture and visual depth beneath layers of deep blue translucent enamel, providing a luxurious contrast with the 18K Pink Gold (750/1000) applied hour markers. A long pointer hand, tipped by the JL anchor in red, indicates the date, while a red arrow indicates the time on the 24-hour sub-dial.

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Jaeger-LeCoultre has integrated Calibre 978 into a sophisticated new Pink Gold case that follows the Grande Tradition design codes, with multiple high-polished, brushed and micro-blasted finishes creating a captivating play of light over its 60 components. The elegant ensemble is completed by a classic black alligator leather strap with small-scale alligator lining and an 18K Pink Gold (750/1000) folding buckle.

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With the Master Grande Tradition Tourbillon Jumping Date, Jaeger-LeCoultre honours the place of its eponymous movement in horological history, marrying proven precision to an elegant contemporary aesthetic.

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TECHNICAL CHARACTERISTICS

Model:  MASTER® Grande Tradition Tourbillon Jumping Date Gold Edition

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 Reference: Q4202480

Case
8K Pink Gold (750/1000)
Water resistance: 5 bar
Dimensions: 42 x 12.5 mm
3 different finishes for a 60 components case
Movement
Calibre: Automatic Jaeger-LeCoultre Calibre 978
HIGH WATCHMAKING DECORATIONS
    Two White Gold rounded-off bridges
    Over 30 calibre components decorated by hand
    10 different decorations on the calibre
    61 hand-beveled angles
    Diameter Ø 30,0 mm
    Height 6.45 mm 
    Frequency: 21,600 vph (3 Hz) 
    Jewels 33
    305 components
    Power reserve of 45 hours
    64 components tourbillon weighting less than 0.5 grams
    Signature jumping date complication
    24-hour disc tracking second time zone
Functions
Hours, minutes, seconds (tourbillon subdial); jumping date; second time zone with 24-hour indicator; one-minute tourbillon
Dial
Front dial: Blue enamel Barleycorn pattern
Back dial: Transparent
REFINED HABILLAGE
Barleycorn pattern 18K Pink Gold (750/1000) dial
Open-worked blue enamel dial
Solid 18K Pink Gold (750/1000) indexes
3 different finishes for a 60 components case
Strap
Black alligator leather with small-scale lining; 18K Pink Gold (750/1000) folding buckle

 🔰 Limited edition of 100 pieces
🔴 Price :  Upon request💰

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Jaeger-LeCoultre – MASTER® Hybris Mechanica Ultra Thin Minute Repeater Tourbillon Gold Edition

Jaeger-LeCoultre – MASTER® Hybris Mechanica Ultra Thin Minute Repeater Tourbillon 41.4mm Gold Edition 2026

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 AN OPEN-WORKED MASTERPIECE COMBINING A FLYING TOURBILLON WITH A MINUTE REPEATER IN AN ULTRA-THIN AUTOMATIC MOVEMENT

KEY FACTS:

    Beyond skeletonised movement: artistic open-working and sapphire bridges reveal the beauty of the calibre’s 593 components

    Ultra-slim calibre:  a high-complication automatic calibre 5mm thick, in a case 8.25 mm high by 41.4 mm in diameter

    Complex case construction: a new 60-part case, masterfully adapting the iconic Master Grande Tradition codes – a first exclusive tailoring for Calibre 362

    The thinnest automatic minute repeater tourbillon: conceived as a fully integrated movement where the minute repeater forms an intrinsic part of the architecture

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 Jaeger-LeCoultre presents the Master Hybris Mechanica Ultra Thin Minute Repeater Tourbillon, a new interpretation of the Maison’s celebrated ultra-thin calibre that unites a minute repeater with a flying tourbillon. Set in an 18K Pink Gold case (750/1000) measuring just 8.25 mm thick, the entire mechanism is open to view, its movement revealed by utilising the transparent property of sapphire, and the pared-back dial that forms an open-worked ring encircling the movement. The subject of seven patents – six of which were developed specifically for the launch of Calibre 362 in 2014. The watch unites some of horology’s most notable feats, including a fully flying one-minute tourbillon and a beautifully sonorous minute repeater.

A GREAT LEGACY: 

CHIMING WATCHES, ULTRA-THIN CALIBRES, TIMING PRECISION

Representing a major technical breakthrough and an innovative aesthetics when it was introduced in 2014, Calibre 362 draws upon Jaeger-LeCoultre’s remarkable heritage in two key areas: chiming complications and precision timekeeping. It remains the world's thinnest automatic minute repeater tourbillon.

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Jaeger-LeCoultre’s expertise in ultra-thin movements dates back to the collaboration between Jacques-David LeCoultre and Edmond Jaeger, which resulted in the record-breaking 1.38 mm-thick Calibre 145, introduced in 1907.  

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Since creating its first tourbillon movement in 1946 and its first tourbillon wristwatch in 1993, the Maison’s quest for ever-greater timekeeping precision has resulted in multiple inventions in both the construction of tourbillon cages and the shape of hairsprings, optimised for different forms of regulating organs. Since 1870, when La Grande Maison introduced its first minute repeater, Jaeger-LeCoultre has crafted more than 200 different repeating calibres. The Manufacture’s investment of time and energy into researching striking complications and the quality of their sound, timbre, volume and cadence has resulted in many patents, including several incorporated into Calibre 362.

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 Rather than superimposing separate layers for each complication, Calibre 362 was conceived from the outset as a fully integrated movement. The minute repeater is not added onto a base calibre; it forms an intrinsic part of the architecture. This integration is fundamental to achieving the exceptional thinness of the movement. The striking mechanism was entirely re-engineered to occupy minimal vertical space. Its optimised construction accounts for approximately one third of the calibre’s total volume, demonstrating how carefully each component was calculated to reduce thickness without compromising acoustic performance. By rethinking the layout of the racks, hammers and gongs within the main plate, Jaeger-LeCoultre’s engineers eliminated the need for additional layers traditionally required in repeater constructions.

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Equally instrumental to the slender profile is the flying tourbillon that comprised 59 components and weights 0.248 grams. Suspended without an upper bridge, the one-minute flying tourbillon reduces structural height while enhancing visual lightness. The absence of an upper support not only contributes to the aesthetic transparency of the movement but also removes superfluous material, optimising vertical space.

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The oscillating mass also plays a decisive role. Instead of a conventional central rotor, Calibre 362 is equipped with a peripheral oscillating mass that encircles the movement. This ingenious solution eliminates the additional thickness of an overlaid winding rotor, preserving the ultra-thin profile while ensuring efficient automatic winding. Minute repeater integration, flying tourbillon construction and peripheral winding system - each element was conceived not as an addition, but as a structural contributor to thinness.

LIGHTNESS, TRANSPARENCY AND VISUAL CONTRAST

This Hybris Mechanica Edition of Calibre 362 has been designed to showcase the entire movement - its assembly alone requires seven weeks - revealing the delicacy of its 593 components, including the entire operating sequence of the minute repeater mechanism and the captivating dance of the tourbillon.

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To reveal and amplify this beauty, skeletonisation – meaning creating openings within the existing bridges of the Calibre – would be the traditional means. However, for Jaeger-LeCoultre, this was not sufficient, as the structural parts of the bridges and plates, which are essential for a movement's function, would still limit the visibility of part of the Calibre.

Sapphire Bridges, an innovative solution: Three bridges, essential for the structural stability of the movement, are meticulously constructed from transparent sapphire crystal rather than metal. This represents a significant accomplishment for the Maison, as creating sapphire bridges directly within the movement presented several technical challenges, notably the precise setting of its all-important 11 ruby jewels. Since direct setting into the sapphire was not feasible, 18K Pink Gold (750/1000) chatons were ingeniously employed – a technical feat that not only resolved the challenge but also enhanced the calibre's aesthetic beauty. To enhance their transparency and visual purity, the sapphire bridges are finished with polishing, anti-reflective coating, and an anti-static treatment.

14 different decorative techniques: The calibre's aesthetic brilliance is underscored by various finishes, including those on the case: sandblasting, perlage, polishing, flat polishing, straight graining, linear brushing, circular brushing, Côtes de Genève, diamond polishing, snailing, sunray brushing, bevelling, and guillochage. The exceptional precision of this hand-finishing is evident across all components, from the hand-bevelling and perlage to the varied brushing and polishing on diverse surfaces. This dedication to detail is exemplified by the 48 inner angles and 60 hand-bevelled components that adorn the movement.

An exceptional dial: The dial is elegantly complemented by an 18K Pink Gold (750/1000) case, distinguished by a variety of surface finishes that enhance the play of light across its contours – an aesthetic approach newly introduced for this calibre. Encircling this intricate display, the dial is pared back to form an open-worked ring of 18K White Gold (750/1000) around the movement’s periphery, revealing the elegantly guilloché in-house 18K Pink Gold (750/1000) winding rotor, a masterpiece crafted within Jaeger-LeCoultre’s Métiers Rares™ ateliers. To create visual contrast, the applied hour markers in 18K Pink Gold (750/1000) and the Jaeger-LeCoultre logo are matched with the hands and the winding rotor.

The art of integration: The complex case, designed and reinterpreted for the ultra-slim Calibre 362, is composed of 60 parts. Developed for the original Calibre 362, an innovative alternative to the conventional slide that activates a minute repeater combines a patented, retractable button at 10 o’clock that activates the function with a second button at 8 o’clock that locks and releases it. These buttons have been redesigned particularly for Hybris Mechanica Calibre 362 to integrate perfectly into its new case.

A MASTERPIECE OF TECHNICAL INVENTIVENESS AND THINNESS

Testament to the Manufacture’s enduring quest to create the ‘perfect’ chime, the minute repeater of Calibre 362, made of 187 components, features a striking mechanism designed from its inception in harmony with the regulating organ and automatic winding system. This design enables both exceptional acoustic performance and extreme thinness. Integrated directly into the calibre’s main structure, the minute repeater features one-piece, square-profile gongs optimised for tonal purity and resonance. These are paired with articulated trebuchet-style hammers that strike the gongs with greater velocity and precision, generating a sound that is at once powerful and refined.

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Invented specifically for Calibre 362, the Manufacture’s patented silent time-lapse reduction mechanism further exemplifies this philosophy of integration. By dramatically minimising the pause between the hour and minute chimes – particularly in the absence of a quarter-hour strike – it ensures a fluid, uninterrupted acoustic sequence.

The transparency of the flying tourbillon is enhanced by both the cutaway in the base plate and the absence of cocks or bridges holding it in place, as well as the patented flying balance wheel. To ensure slimness while ensuring the most concentric ‘heartbeat’, and therefore timekeeping accuracy, Jaeger-LeCoultre’s engineers invented and patented the S-shaped hairspring, which is also fully visible thanks to the absence of a tourbillon bridge. The invention of this novel spring shape was necessitated by the particular construction of the tourbillon and the requirement for overall slimness of the calibre.

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Three key innovations have made the technical beauty and complexity of Calibre 362 possible within an ultra-thin self-winding movement measuring just 5 mm in height.

The oscillating weight that winds the mainspring is designed as a peripheral rotor, with the dual benefit of adding no thickness to the calibre while also making the beauty of the movement fully visible from both the dial side and the back of the watch. Mounted on 36 specially conceived ceramic ball bearings and activated by the movement of the wearer’s wrist, it moves freely in both directions for optimal winding efficiency.

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TECHNICAL CHARACTERISTICS

Model:  MASTER® Hybris Mechanica Ultra Thin Minute Repeater Tourbillon Gold Edition

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  Reference: Q13125S2

Case
    Material: 18-carat pink gold
    Dimensions: 41.4 mm
    Thickness: 8.25 mm
    Water resistance: 30 metres
Dial 
    Front dial: White Gold, open-worked
    Back dial: Transparent sapphire crystal
Movement
    Automatic Jaeger-LeCoultre Calibre 362
    Diameter Ø 33,3 mm
    Height 5.00 mm 

    Frequency: 28,800 vph (4 Hz) 

    Jewels72

    593 components

    Power reserve of 42 hours
Functions
    Hours and minutes
    Minute repeater with silent-timelapse reduction
    One-minute flying tourbillon
Strap 
    Brown alligator leather with small-scale lining
    18K Pink Gold (750/1000) pin buckle

 

🔰 Limited edition of 10 pieces
🔴 Price :  Upon request💰

 

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Press releases - 2026
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