A. Lange & Sohne – LANGE 1 TOURBILLON PERPETUAL CALENDAR “Lumen” Platinum Edition

 

A. Lange & Sohne – LANGE 1 TOURBILLON PERPETUAL CALENDAR “Lumen” 41.9mm Platinum Edition 2026

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 Traditional watchmaking artistry and contemporary design

The LANGE 1 TOURBILLON PERPETUAL CALENDAR “Lumen” incorporates two grand complications into the unmistakeable design of the LANGE 1: a tourbillon with stop seconds as well as a perpetual calendar with a peripheral month ring and instantaneously switching displays. 

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All indications are also legible in the dark. Thanks to the effective staging of larger and more subtle luminous elements, the watch is endowed with a radiant elegance. The newly developed, highly complex manufacture calibre L225.1 can be admired through the dial and caseback of the timepiece.

Unmistakeable – by day and by night

In a refined manner, the LANGE 1 TOURBILLON PERPETUAL CALENDAR “Lumen” incorporates a tourbillon and a perpetual calendar into the unmistakeable design of the LANGE 1, whose off-centre dial configuration is prominent yet at the same time harmonious. 

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The displays are arranged in the form of an isosceles triangle: an imaginary vertical line connects outsize date, retrograde day-of-week display as well as the seconds hand and the moon-phase display. The centre of the hour and minute display marks the tip of the triangle. Contrary to conventional constructions, the months are displayed on a rotating circumferential ring. The leap-year display is located in a small aperture at 6 o’clock. 

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All calendar indications switch instantaneously to produce unambiguous readings at all times. The switching sequences can be conveniently handled jointly or separately with correctors on the exterior of the case. Assuming the watch runs without interruption, the calendar indications must be corrected by hand for the first time on 1 March in 2100, a secular year.

Contrast and transparency

Apart from its remarkable geometry, the design language of the LANGE 1 TOURBILLON PERPETUAL CALENDAR “Lumen” is based on two additional superordinate principles: contrast and transparency. 

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Hence, the light-coloured, gleaming platinum case contrasts crisply with the dark dial and the black, hand-stitched alligator leather strap. On the dial, hands and appliques in rhodiumed gold and white scales against a dark background assure superb legibility. The principle of contrast is reiterated in the movement where polished light surfaces alternate with matted or darker ones. 

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Simultaneously, the transparency of the dial constitutes a constructive necessity. It allows the passage of energy-rich UV light that continuously charges the luminous compound of the underlying displays and causes them to glow in the dark. The exceptional dial and the luminous elements make this timepiece into a shining example of Lange watchmaking artistry ‒ by day and by night. 

Luminescence – new elegance

All displays of the LANGE 1 TOURBILLON PERPETUAL CALENDAR “Lumen” are luminous and therefore also provide unambiguous readings in the dark. The meticulously orchestrated interplay of larger and more filigreed surfaces creates an elegant, nuanced ambience of light. The implementation of each individual “Lumen”-display is based on an innovative, complex dial architecture. 

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The radiant highlight, the luminous outsize date, makes the sophisticated mechanism consisting of a tens cross and a units disc visible in the dark. Moreover, the first luminous moon-phase display with an integrated day/night indication premieres in this watch. A celestial disc that rotates clockwise once during 24 hours forms the backdrop for the lunar orbit. 

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During the day, a light sky without stars can be perceived ‒ at night, a dark sky studded with a multitude of luminous stars. In front of the celestial disc, the precise waxing and waning of the earth’s companion can be observed while it slowly traverses the sky. The display deviates from the true position of the moon by only one day after 122.6 years.

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The leap-year display at 6 o’clock is also coated with a luminous compound, resulting in the same pronounced two-dimensional intensity of the outsize date. The hands indicating the hours, minutes, seconds and day of the week, as well as all scales, appliques and contours of the moon, are significantly more delicate in terms of their luminescence. 

Artisanal virtuosity made visible

Thanks to the semi-transparent dial, the movement with its complex calendar mechanism and cornucopia of meticulously finished individual parts can be admired. For instance, the large plates decorated with perlage, the bridges with artistic solarisation, the levers adorned with precise straight graining as well as the toothed wheels embellished with circular graining can be appreciated close-up. 

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Together with the chamfered edges, they are testament to the high standards with regard to artisanal finish. Additionally, the colour palette of the materials deployed provides aesthetic accents.

Tourbillon – beyond precision

On the dial side, only a subtle inscription at 12 o’clock offers a clue as to which grand complication lies concealed within the LANGE 1 TOURBILLON PERPETUAL CALENDAR “Lumen”: the tourbillon. 

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Only at a glance through the sapphire-crystal caseback, the refined mechanism is revealed in all its technical splendour. Once a minute, the filigreed carriage rotates about its own axis, thus compensating for the influence of gravity on the balance with eccentric poising weights. Combined with the balance spring crafted in-house, it guarantees the ultimate in precision. Both components are perfectly matched and assure superior rate accuracy of the movement that operates at a frequency of 21. 600 semi-oscillations per hour.

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The stop-seconds device allows to immediately halt the balance within the tourbillon cage at will by pulling the crown. This makes it possible to set a tourbillon watch with one-second accuracy, thanks to a sophisticated construction with a V-shaped arresting spring for which the manufacture was granted a patent in 2008. 

Extreme complexity – peerless finish

Down to the last detail, the new self-winding manufacture calibre L225.1 was developed in accordance with the highest standards to which A. Lange & Söhne is committed. Its constructive complexity makes it possible to unite a tourbillon, perpetual calendar and a moon-phase display – and to furthermore equip the watch with functional particularities such as a stop-seconds mechanism and the outsize date. 

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The refined composition of lavish decorations emphasises the manufacture’s quest for perfection. The artisanal virtuosity manifests itself especially in the tourbillon cage as well as the tourbillon cock and the intermediate-wheel cock. They are crafted from stainless steel and exhibit one of the most elaborate finishing techniques: black polish.

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This technique involves using special abrasive pastes and uniformly sliding the workpiece with just the right pressure across a tin plate by hand until the surface reflects the light like a mirror when viewed from a certain angle. 

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And from another perspective, it has a jet-black sheen. All the edges are chamfered and polished. One of the greatest challenges is finishing the internal angles: this requires extreme meticulousness and a steady hand.

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A central rotor, crafted from 18-carat white gold (750) for the first time, bears the A. Lange & Söhne signature and assures efficient winding. The external centrifugal mass in 950 platinum provides additional momentum, making a maximum power reserve of 50 hours available after only a short time on the wrist. The rotor also adopts the design principle of colour contrast, implemented in the dark, black-rhodiumed central segment and the lighter surface of the centrifugal mass.

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 Furthermore, the tourbillon cock and the intermediate-wheel cock are embellished with small stars and a shooting star. They are engraved by hand and then circumspectly polished, creating a richly contrasting transition between the matted surroundings and the gleaming engravings. In the centre of the tourbillon, a diamond endstone secured by a screwed gold chaton provides another striking focal point. The traditional element that A. Lange & Söhne once equipped the most precious 1A-quality pocket watches with represents the lustrous highlight of this precision mechanical masterpiece.

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With a case diameter of 41.9 millimetres and a height of 13.0 millimetres, the LANGE 1 TOURBILLON PERPETUAL CALENDAR “Lumen” is worn on a black alligator leather strap with a deployant quick-lock buckle in 950 platinum. Limited to 50 watches, the edition will be presented at Watches and Wonders 2026 in Geneva. 

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Technical Specifications

Model: LANGE 1 TOURBILLON PERPETUAL CALENDAR “Lumen” 41.9mm Platinum Edition

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 Ref. 720.035FE

Movement
Lange manufacture calibre L225.1, self-winding, crafted to the
most exacting Lange quality standards, decorated and assembled by hand;
precision-adjusted in five positions; unidirectional winding central rotor with centrifugal mass in 950
platinum; central segment in black-rhodiumed 18-carat white gold (750); hand-engraved tourbillon cock and intermediate- wheel cock in steel
Diameter: 34.1 millimetres; height: 8.3 millimetres
No. of movement parts  685
No. of jewels  74, one of which a diamond endstone
No. of screwed gold chatons  6
Escapement  Lever escapement
Oscillation system
Shock-resistant balance with eccentric poising weights;
superior-quality balance spring manufactured in-house,
frequency of 21,600 semi-oscillations per hour
Power reserve  50 hours when fully wound
Functions
Time indicated in hours, minutes and subsidiary seconds;
tourbillon with stop seconds; perpetual calendar with instantaneously switching displays for outsize date, retrograde day of week, month and leap year; moon-phase display with integrated day/night indication
Operating elements
Crown for winding the watch and setting the time; main corrector for jointly advancing all calendar indications and one corrector each for day of week, month and moon phase
Case
950 platinum 
Diameter: 41.9 millimetres; height: 13.0 millimetres
Crystal and transparent caseback
Sapphire crystal (Mohs hardness 9)
Dial
Sapphire crystal, coated; all displays luminous
Hands  750 gold, rhodiumed, luminous
Strap
Hand-stitched alligator leather, black
Buckle  Deployant quick-lock buckle in 950 platinum

🔰Edition - ✅ Only ❱❱❱ 50 pieces, Edition number engraving
🔴Price: on Request 💰

 

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Press Release - 2026
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Press enquiries
Arnd Einhorn, Head of Global Corporate Communications & Product PR
Tel.: +49 (0) 35053 440 | Email: presse@lange-soehne.com
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A. Lange & Söhne – LANGE 1 DAYMATIC HONEYGOLD Edition

 

A. Lange & Sohne – LANGE 1 DAYMATIC HONEYGOLD® Brown Silver 925 Dial Edition - 2026

 The self-winding Lange classic in honey gold

The LANGE 1 DAYMATIC is the self-winding counterpart of the most renowned A. Lange & Söhne watch – it mirrors the distinctive design of the classic LANGE 1. For the first time, it is presented with a case in 750 honey gold (HONEYGOLD®). 

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The warm lustre of the gold alloy, exclusive to the manufacture, elegantly complements the brown dial made of 925 silver and endows the 250-piece limited edition with a particularly refined personality.

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A. Lange & Sohne – Gold pocket watch No. 93

In several respects, 7 December represents a memorable day for A. Lange & Söhne. In 1845, Ferdinand Adolph Lange laid the cornerstone for German precision watchmaking in Glashütte on this very day. 

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Yet it is also the day of the courageous fresh start that his great-grandson Walter Lange made ‒ in 1990, the year of German reunification. 35 years later, on the significant date of 7 December 2025, A. Lange & Söhne now launches the new LANGE 1 DAYMATIC HONEYGOLD, limited to 250 watches

Familiar face – mirrored design

Introduced in 2010, the LANGE 1 DAYMATIC is unmistakeably a LANGE 1, yet offers a new perspective on the style-defining design that was awarded multiple prizes. 

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The off-centre dial configuration of the manually wound LANGE 1 graces the LANGE 1 DAYMATIC as well, but the dial is a mirror image of the original: the hour and minute display is positioned on the right-hand side of the dial, the subsidiary seconds dial and the outsize date on the left.

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Contrary to the classic LANGE 1, the LANGE 1 DAYMATIC is not equipped with a power-reserve indicator, but with a retrograde day-of-week display on the left periphery of the dial. This calendar function complements the characteristic outsize date and simultaneously underscores the individuality of the timepiece within the watch family. 

 Harmonious proportions – rare colour combination

The case of the LANGE 1 DAYMATIC HONEYGOLD exhibits balanced proportions and harmonious lines. With a diameter of 39.5 millimetres and a height of 10.4 millimetres, it assures a snug fit on the wrist and can be slipped under a shirt cuff. Subtly reworked, the lugs and bezel give the watch its particular air of lightness.

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The fusion of a honey-gold case with a brown dial in 925 silver account for the unique and elegant appearance of the timepiece. Its radiant lustre is reflected in the hands, appliques and frame of the outsize date. Moreover, the dial offers a variety of expressive details, such as, for instance, the slightly recessed hour and minute circle that intensifies the three-dimensional effect of the dial. The outsize date is depicted in white numerals against a brown background ‒ a perfect match for the dial colour.

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The LANGE 1 DAYMATIC HONEYGOLD is worn on a taupe-coloured, hand-stitched alligator leather strap secured with a buckle in solid honey gold.

Traditional design – sophisticated architecture

The balanced design and artisanal finish of the LANGE 1 DAYMATIC HONEYGOLD extend into the interior of the watch where its heart, the lavishly finished self-winding manufacture calibre L021.1, beats reliably. Its individual architecture is inspired by tradition and assures superb precision with a view to adjustment and assembly. This includes, for instance, the four separately screwed plates that visually constitute a classic three-quarter plate in the fully assembled movement. 

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Efficient winding and delivery of a constant force are assured by a large central rotor extending across the entire diameter of the movement. Its central segment in 875 gold (21 carats) is embossed with the “A. Lange & Söhne” signature and its centrifugal mass is made of 950 platinum.

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The colourful composition of warm-hued gold, cool-toned platinum and cornflower-blue screws makes the rotor an eye-catching focal point of technical elegance. The four slender spokes cushion the heavy rotor in the case of shocks and protect the movement against high strain. When fully wound, a power reserve of 50 hours becomes available. 

Typical Lange finissage

Further typical Lange quality hallmarks of the dedicated movement include an indexless oscillation system featuring a large balance wheel with eccentric poising weights, and a balance spring developed and crafted in-house that beats at a frequency of 21,600 semi-oscillations per hour. 

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As is the case with all Lange calibres, the 426-part L021.1 movement is assembled twice and endowed with many traditional elements. The elaborate finissage of all components complies with the manufacture’s strictest standards regarding artisanal perfection. Traditional features such as the hand-engraved balance cock, Glashütte ribbing and screwed gold chatons provide fascinating highlights that can be admired through the sapphire-crystal caseback.

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“With its distinctive design, sophisticated manufacture movement and artisanal finissage, the LANGE 1 DAYMATIC HONEYGOLD presents itself as a timepiece with a strong personality for aficionados of self-winding watches,” reflects Anthony de Haas, Director of Product Development. “Its exclusive case material and the rare colour combination make it into an elegant classic with a high recognition value.” 

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Technical Specifications

Model: LANGE 1 DAYMATIC HONEYGOLD Edition 

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  Reference: 320.050 / LSLS3206AA

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Case
    Material: 18-carat HONEYGOLD®
    Diameter: 39.5 mm
    Thickness: 10 mm
    Case back: sapphire glass
    Water-resistant to 30 meters
Dial
    Brown dial
Movement
    Caliber L021.1
    Self-winding movement
    Number of parts: 426
    Frequency: 3 Hz, 21'600 vph
    Power reserve of 50 hours
Functions
    Hours, minutes
    Small seconds
    Outsize date, day-of-week display
Strap
    Taupe, Alligator leather
    18-carat HONEYGOLD® pin buckle

 

🔰Edition - ✅ Only ❱❱❱ 250 pieces, Edition number engraving

🔴Price: on Request 💰

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Press Release - 2026
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Press enquiries
Arnd Einhorn, Head of Global Corporate Communications & Product PR
Tel.: +49 (0) 35053 440 | Email: presse@lange-soehne.com
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A. Lange & Sohne – SAXONIA Minute Repeater Perpetual in Platinum Edition

 

A. Lange & Sohne – SAXONIA Minute Repeater Perpetual Platinum Edition - 2025

Crystal-clear sound for perpetuity

A. Lange & Söhne incorporated two of the most sophisticated horological complications in the Minute Repeater Perpetual. A newly developed, manually wound movement breathes life into this rare and ambitious combination of a minute repeater with a perpetual calendar. The elaborately, artisanally finished timepiece boasting an enamel dial crafted in-house comes in a 950 platinum edition, limited to 50 pieces.

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With the Minute Repeater Perpetual, A. Lange & Söhne once again launches a watch with a minute repeater, this time pairing it with a perpetual calendar. Each one of these complications alone represents a technical feat in itself, the combination of the two, however, poses an even greater challenge. This holds true for the engineers as well as the watchmakers, since the precise tuning and harmonising of all the mechanisms requires a superior degree of technical expertise and craftsmanship.

Classic minute repeater with special features 

When the slide integrated into the left-hand case flank is actuated, the chiming mechanism strikes the hours, sounding at a low pitch, the quarter hours with a double tone, and the minutes that have elapsed since the last quarter hour with a higher-pitched tone.

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The impressive duet delivered by two differently tuned gongs comprises a repertoire of 720 different sequences – one for every minute in the twelve-hour cycle. The sapphire-crystal caseback reveals the orchestrated movements of the gong hammers and the gongs, resulting in their melodious sound. An ingenious system of precisely choreographed racks, snails, levers, and wheels controls the 194-part mechanism. 

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To optimise the operation and functionality of the classic minute repeater, the striking mechanism was enhanced with further intricate devices, among these the pause elimination feature. It skips the pause between the hour and minute strike when no double tone must be struck for the quarter hours in the first 14 minutes after the top of the hour. To prevent damage to the chiming mechanism, it was also equipped with a safety device so that the minute repeater cannot be activated while the crown is pulled. Consequently, the crown cannot be pulled when the chiming mechanism is active.

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Finally, the patented hammer blocker causes the hammers to dwell in their home position for a fraction of a second after the gongs have been struck. Thus, the re-bounding hammers cannot bounce and strike the gongs again.

The art of crystal-clear sound

Just like all Lange watches with a striking mechanism, the Minute Repeater Perpetual is designed to superb acoustic quality standards and has a unique timbre. A lucid, clear, and reverberant sound is assured by the hand-tuned gongs that harmonise perfectly with the acoustic characteristics of platinum, the case material.

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The completion of a minute repeater is highly elaborate; it also calls for acute hearing and extreme dexterity. All components are carefully harmonised with one another by a Lange master watchmaker. This requires adapting, multiple disassemblies, reworking, reassembly and finally testing. As far as the hammers are concerned, the key issues are material, shape, size, weight, and hardness – and above all, just like with a piano, strike.

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Thanks to the development of a new movement, we were able to work towards a perfect sound experience, right from the start ‒ just like with our other models featuring a striking mechanism: the Zeitwerk Minute Repeater, the Richard Lange Minute Repeater or the Grand Complication. Combined with the acoustic properties of platinum, we succeeded in achieving a singular sonority and intensity of sound,” explains Anthony de Haas, Director of Product Development at A. Lange & Söhne.

Perpetual calendar with Lange outsize date

While the minute repeater chimes the time in the here and now, the technical virtuosity of the perpetual calendar will persist into the distant future. Across decades, the mechanism will assure the precise display of the date, day of the week and month, even taking into account the leap years. The calendar indications must only be corrected by one day but not until 1 March 2100; according to the rules of the Gregorian calendar, the leap year will then be skipped. 

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This also applies to the moon-phase display that so closely emulates the duration of the synodic orbit of the earth’s satellite that it would take 122.6 years for the display to be corrected by one day. The mechanism is highly sophisticated yet excels with its ease of operation: in typical Lange manner, all calendar indications can jointly be advanced with one single corrector.

An eye-catching detail of the timepiece ‒ the enamel dial

The technical sophistication of this multiple-complication watch is reflected in the high-quality artisanship of the four-part dial. Made of white gold and filled with black enamel, it is crafted in the A. Lange & Söhne manufacture in a time-consuming procedure.

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The immaculate, glossy black surface offers the displays and the characteristic Lange outsize date an elegant stage, providing a contrasting backdrop, thus assuring excellent legibility. The subsidiary dial at 9 o’clock accommodates the day-of-week and the 24-hour displays while a second one located at 3 o’clock is graced by the month and leap-year indications. A third subsidiary dial at 6 o’clock showcases the small seconds and the moon-phase display: both moons in 750 gold are surrounded by more than 100 hand-engraved stars.

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This exceptional timepiece exhibits a further salient detail: all four dial sections are embellished with a circular lesene, a fine border in white gold. On the main dial, it runs between the outsize date and the Roman numerals; on the subsidiary dials, the lesenes separate the inner display sections from the outer ones.

Artisanally finished new manufacture calibre

The sapphire-crystal caseback provides fascinating insights into the technical complexity and the high degree of artisanal finishing of the newly developed Lange manufacture calibre L122.2.

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Whether clearly visible or concealed, all 640 parts of the manually wound movement address all expectations that are associated with A. Lange & Söhne’s craftsmanship. The aesthetic highlights include the balance cock that is engraved with a free-hand technique, with the whiplash spring mounted on top. The lateral setscrew assures the precision regulation of the interaction between the escapement and the oscillation system. The three-quarter plate made of untreated German silver is decorated with black-rhodiumed engravings. Four screwed gold chatons adorn its grained surface.

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Whereas the greater part of the repeater and the perpetual calendar mechanisms lies concealed below the dial, the most important elements of the striking mechanism – the two manually bent gongs framing the movement and the two gong hammers – are resplendent in their beauty. The hammers provide an additional focal point: they are elaborately finished with black polish, a technique that involves a considerable amount of manual work.

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It ensures that incident light is reflected in merely one single direction. Viewed from one perspective only, the surface is jet black, yet seen from all other angles, it appears to have a mirror-like gloss. The barrel bridge, the centrifugal-governor bridge and the gong hammer bridges are adorned with solarisation, creating a visual entity. The most dynamic component of the movement, the centrifugal governor, is mounted in an overhung position, making it almost silent when operational. It rotates at a speed of more than 2,000 revolutions per minute when the striking mechanism is running. This guarantees the uniform cadence of the strikes.

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The Lange manufacture calibre is equipped with a screw balance and a freely oscillating balance spring crafted in-house. Decorated with solarisation, the mainspring barrel delivers a maximum power reserve of 72 hours.

With a case diameter of 40.5 millimetres and a height of 12.1 millimetres, the platinum Minute Repeater Perpetual is worn on a black, hand-stitched alligator leather strap with a deployant platinum buckle. Limited to 50 watches, the edition is exclusively available at select A. Lange & Söhne boutiques.

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Technical Specifications

Model:   SAXONIA Minute Repeater Perpetual Platinum Edition

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Reference: 607.091FE

Case
Material: 950 platinum
Diameter: 40.50 mm
Case back: sapphire glass
Water-resistant to 2 bar (20 metres)
Movement
Calibre L122.2
Manually wound movement 
Dimensions: Diameter: 30.0 millimetres; height: 7.6 millimetres
Crafted to the most exacting Lange quality standards,
decorated and assembled by hand; precision-adjusted in five positions;
three-quarter plate made of untreated German silver; balance cock engraved by hand
Frequency: 21,600 semi-oscillations per hour (3.0 Hz)
Number of parts: 640
Power reserve of 72 hours
Escapement:  Lever escapement
Oscillation: system
Shock-resistant screw balance; superior-quality balance spring
manufactured in-house, frequency 21,600 semi-oscillations per hour,
precision beat adjustment system with lateral setscrew and whiplash spring
Functions/Indications
Time indicated in hours and minutes, subsidiary seconds with stop seconds;
striking mechanism with minute repeater; perpetual calendar with displays for outsize date, day of week, 24-hour display, month and leap year; moon-phase display
Dial
750 Gold, black enamelled
Hands: 750 gold
Appliques: 750 gold, rhodiumed, Roman
Strap
Hand-stitched alligator leather, black
Buckle: Deployant buckle in 950 platinum

🔰Edition - ✅ Only ❱❱❱ 50 pieces, Edition number engraving

🔴Price: on Request 💰

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Press Release - 2025
-------------------------------------------

Press enquiries
Arnd Einhorn, Head of Global Corporate Communications & Product PR
Tel.: +49 (0) 35053 440 | Email: presse@lange-soehne.com
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