Jaeger-LeCoultre – Rendez-Vous 2017

Jaeger-LeCoultre – Rendez-Vous - Collection SIHH 2017 NEW

A new day for the Rendez-Vous collection

In 2017, Jaeger-LeCoultre is writing a new chapter in the story of its Rendez-Vous collection of women’s timepieces. Originally introduced by the Maison in 2012, Rendez-Vous is a collection bearing all the hallmarks of Jaeger-LeCoultre’s Métiers Rares™ (Rare Crafts), impeccable timekeeping accuracy, unrivalled excellence in craftsmanship and the breathtaking artistry of its jewellery designs and settings.

The new Rendez-Vous collection, once again the result of the combined talents of the watchmakers and craftspeople of the Manufacture in the Vallée de Joux, is a celebration of horology designed for women, with sophisticated materials in muted and sparkling tones reinforcing the timeless style of these elegant, noble timepieces.

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The introduction of a moon phase and a new chiming reminder function, yellow and rose gold options, a larger size and sumptuous new straps, all reflect the popularity of the Rendez-Vous collection worldwide, among art, design and watch lovers alike.

A rich gamut of colours, including yellow and rose gold watch cases, takes inspiration from the constantly changing light of the sun and the moon, from the first glows of dawn to the vibrant shades of dusk, turning to a moonlit sky as day turns to night – eliciting colours, reflections and emotions to accompany and inspire a woman every moment of her life, whatever the occasion and wherever she may be.

At the heart of every Rendez-Vous timepiece is an impeccably precise automatic movement coupled with the aesthetic perfection of a rare, precious jewel. The new Rendez-Vous unveils the secrets of watchmaking mastery at its finest, both in technique and artistry - from the elaborate ornamentation of its movement to the elegant adornment of its dial, from the delicate setting of its diamonds and sapphires to the presentation of its timekeeping functions.

 Rendez-Vous Moon

The night star in its best light

The moon and its many faces - Queen of the night and of the dawn - have long inspired the watchmakers of Jaeger-LeCoultre. Until now the moon was reserved for pieces of the finest jewellery of the Rendez-Vous collection, but for the first time the iconic moon phase feature now adorns the newest models of the Rendez-Vous collection.

Rendez-Vous Moon Medium

An iconic timekeeping function, interpreted for women

Available in steel or rose gold, the Rendez-Vous Moon Medium includes a moon phase, with its finely worked geometric guilloché appearing both on the dial and on the disk that bears the moon phase itself.

Moon phase in the limelight

With a time lag of only one day every 985 years, the moon phase function boasts the ultimate precision. The glistening moon has a sandy finish, lending it a surprising sense of depth. An inspired way for the Manufacture’s craftspeople to faithfully reproduce the varying faces of the moon with its reflections and changing colours as the hours pass. This very feminine model also enjoys the subtle addition of a hand indicating the seconds.

Rendez-Vous Moon

A dramatic entrance for rose gold

The first appearance of rose gold in this exceptional 36mm timepiece is enhanced with one of the signatures of the Métiers Rares™ of the Jaeger-LeCoultre Manufacture – the gem setting. Its golden dial, burning with the brightness of a thousand fires, is the backdrop for a tender pearl moon and a watch that is feminine in the extreme, its hue reminiscent of a dawning day, as the sun rises in a cloudless sky.

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A pearl moon, with rose gold and diamonds on a bed of satin

On this elaborate timepiece, the ultimate in femininity down to every last detail, including its pink satin strap, both the bezel and the rim of the case are entirely set with brilliant cut diamonds. To enhance the reflections of this radiant crown, a further 26 diamonds nestle discreetly in a semi circle above the hour numbers, which in turn make way to be replaced by an exquisite pearl moon in a sky filled with stars.

With only a one day time lag every 985 years, the moon phase is a timekeeping function of rare precision. On the edge of the dial, the star, a signature of the Rendez-Vous line, offers a discreet reminder of the time of a future rendez-vou.

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TECHNICAL DETAILS

Model: Rendez-Vous Moon Medium 34 mm

MOVEMENT
Automatic mechanical movement
Jaeger-LeCoultre Calibre 935A, produced, assembled, and decorated by hand
•  28 800 vibrations per hour
•  40-hour power-reserve
•  267 parts
•  42 jewels
•  4.63 mm in height
DIAL
•  Silvered guilloche and grained dial
HANDS
•  Floral
FUNCTION
•  Hours, minutes, second, moon phases
CASE
•  Stainless steel or 18-carat pink gold
•  Bezel set with diamonds
•  34 mm in diameter
•  Height : 9.56 mm
•  Water-resistance: 3 bar
BRACELET/STRAP
•  Ostrich or alligator leather strap with a folding buckle, interchangeable system strap
•  Stainless steel or pink gold bracelet
REFERENCES
•  Stainless, stainless steel bracelet: Q3578120
•  Stainless, alligator leather strap:  Q3578420
•  Pink gold, pink gold bracelet:      Q3572120
•  Pink gold, ostrich leather strap:   Q3572420

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Rendez-Vous Night & Day

Beauty around the clock

Rendez-Vous Night & Day now reveals itself in a new light. Available in three sizes and in a choice of materials, including yellow gold, and featuring a new function, Rendez-Vous Night & Day is adorned with straps of steel, ostrich or alligator leather and comes in a spectrum of colours, each alluding to different moments in the daily life of a woman, from the first gleams of daybreak to the moonlit night.

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TECHNICAL DETAILS

Model: Rendez-Vous Medium 34 mm

MOVEMENT
Automatic mechanical movement,
Jaeger-LeCoultre Calibre 898A/1, produced, assembled, and decorated by hand
•    28 800 vibrations per hour
•    40-hour power-reserve
•    204 parts
•    30 jewels
•    3.30 mm in height
DIAL
•  Silvered guilloche and grained dial
HANDS
•  Floral
FUNCTION
•  Hours, minutes, second, night and day indicator
CASE
•   Yellow gold
•   Bezel non set
•  34 mm in diameter
•  Height : 8.52 mm
•  Water-resistance: 3 bar
BRACELET/STRAP
• Ostrich leather strap with a folding buckle, interchangeable system strap
REFERENCE
• Q3441420

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Rendez-Vous Night & Day Large

A new size

With its case of 38.2mm in diameter – a larger than ever case for this collection – Rendez-Vous Night & Day Large enables women to change their watch straps or buckles as they wish, without the need for tools to do so.

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As an alternative to the delicate subtlety of the steel version adorned with a steel or a leather strap, some may prefer the tender femininity of the rose gold version, set with brilliant cut diamonds and available with an ostrich leather strap.

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A supremely delicate watch dial

The graceful, elliptical guilloché dial of the Rendez-Vous Night & Day Large reflects the light, while its texture brings the watch to life. Understated and refined, with its night and day display and delicate floral type hands, it is the result of tireless work by the craftspeople at the Manufacture Jaeger-LeCoultre, devoted to the fine art of watchmaking.

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TECHNICAL DETAILS

Model: Rendez-Vous Large 38.2 mm

MOVEMENT
Automatic mechanical movement,
Jaeger-LeCoultre Calibre 898D/1, produced, assembled, and decorated by hand
•    28 800 vibrations per hour
•    40-hour power-reserve
•    204 parts
•    30 jewels
•    3.30 mm in height
DIAL
•    Silvered guilloche and grained dial
HANDS
•    Floral
FUNCTION
•    Hours, minutes, second, night and day indicator
CASE
•    Stainless steel or 18-carat pink gold
•    Bezel set with diamonds or non set
•    38.2 mm in diameter
•    Height : 9.71 mm
•    Water-resistance: 5 bar
BRACELET/STRAP
•    Ostrich leather strap with a folding buckle, interchangeable system strap
•    Stainless steel bracelet
REFERENCES   
•  Stainless steel non set :                 Q3618190
•  Stainless, ostrich leather strap :    Q3618490
•  Pink gold, ostrich leather strap :   Q3612420

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Rendez-Vous Night & Day Medium

A precious metal to reflect the times

Jaeger-LeCoultre introduces yellow gold into the Rendez-Vous timepiece collection for the first time. Gold - noble and precious, be it in the form of an elegant bezel, understated lugs or a finely designed buckle - merges naturally with the skin.

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To emphasize the gold lustre of the bezel, the silver dial is adorned with an elegant guilloché. Coupling yellow gold with a pink watch strap makes for a simple, daring and ultra-feminine sartorial statement, transforming a watch into a jewel, to be worn close to the skin every day.

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TECHNICAL DETAILS

Model: Rendez-Vous Medium 34 mm

MOVEMENT
Automatic mechanical movement,
Jaeger-LeCoultre Calibre 898A/1, produced, assembled, and decorated by hand
•    28 800 vibrations per hour
•    40-hour power-reserve
•    204 parts
•    30 jewels
•    3.30 mm in height
DIAL
•  Silvered guilloche and grained dial
HANDS
•  Floral
FUNCTION
•  Hours, minutes, second, night and day indicator
CASE
•   Yellow gold
•   Bezel non set
•  34 mm in diameter
•  Height : 8.52 mm
•  Water-resistance: 3 bar
BRACELET/STRAP
• Ostrich leather strap with a folding buckle, interchangeable system strap
REFERENCE
• Q3441420

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Rendez-Vous Sonatina Large

A new feature in the world of women’s watches

To provide a discreet reminder of an upcoming rendez-vous, Manufacture Jaeger-LeCoultre’s watchmakers have created the Rendez-Vous Sonatina Large, complete with a new function. It chimes at the appointed hour, thanks to the mysterious little star that has marked out certain models of the Rendez-Vous line since its inception, and that can be moved around the dial.

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The delicate tinkle of a single hammer strike is audible at the selected time. When it is set using the top crown, this innovative feature comes as a surprise to the ear and explains the name Sonatina, a musical term for a short melody.

Two versions to mark time

On the dial, with its fine guilloché finish resembling raw silk, are blue steel hands, a design signature of traditional Swiss watchmaking. The elegant night and day indicator appears in a semi-circle at 6am, complementing the rendez-vous star at its side.

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In addition to a rose gold version, the Rendez-Vous Sonatina Large is also available in white gold with a dial of amethyst shades and brilliant cut diamonds adorning its bezel, lugs and the rim of its case. True to their reputation as virtuosos of colour, the Maison’s artists have embellished this sensual dial with captivating graduated amethyst shades.

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To be found concealed beneath are the meticulous workings of Jaeger-LeCoultre’s new 735 Calibre automatic movement. What better homage could be paid by the Métiers Rares™ (Rare Crafts) to the mists of time?

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TECHNICAL DETAILS

Model: Rendez-Vous Sonatina Large 38.2 mm

MOVEMENT
Automatic mechanical movement,
Jaeger-LeCoultre Calibre 735, produced, assembled, and decorated by hand
•    28 800 vibrations per hour
•    40-hour power-reserve
•    286 parts
•    40 jewels
•    5.57 mm in height
CASE
•    White gold or pink gold
•    38.2 mm in diameter
•    Height : 10.59 mm
•    Water-resistance: 5 bar
White gold model:
•    Amethyst colour guilloche and grained dial
•    Bezel, horns, case side set with diamonds, inverted diamonds on the crowns
Pink gold model:
•    Silvered guilloche dial
•    Bezel set with diamonds
HANDS
•    Floral
FUNCTION
•    Hours, minutes, second, night and day indicator
•    Alarm function and star indicating the rendezvous time
CROWNS
•    1 crown to move the star and set the desired rendez-vous time when the watch is due to chime
•    1 crown to adjust the hours and minutes and the night and day indicator 
BRACELET/STRAP
• Alligator leather strap with a folding buckle, interchangeable system strap
REFERENCE
•    White gold :    Q3593480
•    Pink gold:       Q3592420

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Press release - SIHH 2017 
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MIDO – BELLUNA Heures & Minutes Décentrées Steel

MIDO – BELLUNA II Heures & Minutes Décentrées Stainless Steel NEW

A new extremely bold model 

is joining the Belluna collection

Full of daring and exceptional elegance, the model demonstrates Mido's watchmaking excellence in creating unique timepieces. Inspired by the harmonious curves of London's Royal Albert Hall, its elegant, sleek case protects a magnificent velvety matt black dial.

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The off-centred hour and minute counter at 10 o'clock and the seconds counter repositioned at 4 o'clock present a superb contrast against the deep black dial. These two off-centred counters, combined with the scrolling date at 7 o’clock, establish the exclusive nature of the Belluna Heures & Minutes Décentrées. Several touches of red – subtly distributed on the seconds counter and strap – reinforce the resolutely contemporary appeal of this watch. A cartouche in the first quarter of the dial displays the name of the model in French – the language of watchmaking par excellence.

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Featuring an automatic movement with petite complication, the Belluna Heures & Minutes Décentrées is available with a polished stainless steel case. With a diameter of 40 mm, it is fitted with a sapphire crystal with an anti-reflective treatment on both sides. Through the transparent case back, one can admire the finely decorated, elaborate movement, which features an oscillating weight adorned with Geneva stripes and the Mido logo.

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Water-resistant up to a pressure of 5 bars (50 m/165 ft), the Belluna Heures & Minutes Décentrées comes with a leather strap that is smooth black on the outside and red on the inside. Integrated into the case and featuring a steel folding clasp, the strap is decorated with elegant red top-stitching.

Two other versions of this model are available.

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TECHNICAL INFORMATION

Model: BELLUNA II Heures & Minutes Décentrées Stainless Steel 40mm

Ref: M024.444.16.051.00

Movement    
Automatic ETA 2825-2, 11½’’’,
Ø26 mm, height: 6.60 mm, 25 jewels, 28,800 A/H,
ETACHOCS and NIVACOURBE shock-absorber, NIVAFLEX NO mainspring,
NIVAROX 2 balance-spring, gilded NICKEL balance wheel.
Finely decorated elaborate movement with polished screws,
decorated oscillating weight with Geneva stripes and Mido logo.
Function HM-Ss-D.
Adjusted on 3 different positions for a high accuracy.
Min. 38 hours power reserve.
Case   
Stainless steel 316L with rose PVD treatment, Ø 40 mm, 3 pieces.
Ssapphire crystal with an anti reflecting treatment on both sides, screwed case back,
transparent case back to see the finely decorated and elaborate movement,
engraved serial number, water-resistant up to a pressure of 5 bars (50 m / 165 ft)
Dial   
Velvety matt black, nickel-plated counter rings, polished applied indexes, date at 7 o'clock. 
Hands   
Leaf-shaped.
Strap   
Brown calfskin with crocodile look, integrated into the case,
folding clasp in 316L stainless steel with rose PVD treatment.

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press.mido.ch
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www.Mido.ch

BREITLING – PROFESSIONAL Chronospace Evo Night Mission

BREITLING – PROFESSIONAL Chronospace Evo Night Mission Black Titanium 43 NEW

Hitting the spot in blue and black

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By appearing with a sturdy and light black titanium case framing a blue dial with tone-on-tone counters, the electronic Chronospace chronograph from Breitling adopts a strong and original new persona, while maintaining its sterling qualities as an instrument for professionals.

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The spirit of performance is immediately perceptible in the sheer power of black satin-brushed titanium, achieved by a high-resistance carbon-based treatment, combined with the original note struck by a deep blue dial.

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Like all Breitling ‘instrument panels’, the indications are distinguished by their optimal legibility, with large square numerals and hands accentuated by a luminescent coating. The unidirectional rotating bezel ensures an excellent grip thanks to its four rider tabs – a Breitling signature – serving to mark off times. The case is water-resistant to 100 m (330 ft) and equipped with protective reinforcements for its screw-lock crown.

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Beneath its exclusively analog displays, a notable exception in the Breitling Professional range, the Chronospace Evo Night Mission conceals the best of high-tech capabilities, with a SuperQuartz™ movement ten times more accurate than standard quartz. Chronometer-certified by the COSC (Swiss Official Chronometer Testing Institute), this Caliber 73 combines several functions that are useful to pilots and adventurers.

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The chronograph notably features a split-seconds function with an additional central hand serving to measure intermediate times, while the fast timezone adjustment system ensures uninterrupted precision of the minutes and seconds displays.

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The intrepid and sporty nature of this model is accentuated by a rubber strap embossed with the Breitling signature.



Chronospace Evo Night Mission exudes an unmistakable sense of accomplishment in blue and black.

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Technical Specifications

Model : Chronospace Evo Night Mission

Reference: V7333010/C939/152S/M20SS.1

Movement
Caliber Breitling 73
SuperQuartz™, thermocompensated quartz electronic, fast-action timezone change
Chronograph: 
1/10th second, 60 minutes,
12 hours with split times by fly-back hand
Calendar: Dial aperture
Battery type/life: 394/2 to 3 years
Case
Black Titanium
Round: 43.00mm
Thickness: 12.62 mm
Back: Screwed in
Bezel: Unidirectional ratcheted rotating bezel
Crown: Screw-locked, two gaskets
Water resistance: 100 m (330 ft)
Weight (without strap): 67.38 gr.
Dial    Mariner Blue
Strap
Diver Pro III (Black)
Buckle: Tang-type

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H. MOSER & CIE. – VENTURER Tourbillon Dual Time Sapphire Skeleton

H. MOSER & CIE. – VENTURER Tourbillon Dual Time Sapphire Skeleton - Unique Piece NEW

"ONE WAS NOT ENOUGH"

In 2015, on the first day of Baselworld, Laurent Picciotto of Chronopassion fell in love with the Venturer Tourbillon Dual Time Sapphire Skeleton by H. Moser & Cie. and acquired this stunning timepiece worth 1 million Swiss Francs. This masterpiece featuring a new skeleton movement, a case made entirely from sapphire and a 3D printed strap was a unique piece. But "one was not enough" for Laurent, who commissioned the Schaffhausen-based Manufacture to create another model with a sapphire case, but this model was to be even more daring.

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The case for this second model, created once again entirely from sapphire, comes from the H. Moser & Cie. Venturer Collection. The finish on the case flanks with its unusual shapes, the exquisite bezel, the curve of the dial and the crystal, the proportions which echo the convex forms of the 1960s – the beauty of all these features is amplified by the transparency of the sapphire. The sapphire case highlights the beauty of the HMC 803 automatic calibre. Entirely skeletonised, this movement was blued by CVD, a chemical vapour deposition process.

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The unexpected design combines the modern architecturalshapes of the bridges with a nickel silver movement and a blue finish associated with traditional haute horlogerie. Framed by the Venturer's ultra-thin bezel, the hand-finished movement is open to full view through the sapphire flange bearing the hour indices. The long, tapered hands are created in rose gold, as is the main bridge of the tourbillon, arching broadly across the cage.  On the reverse side of the watch, the bidirectional rotor, made from 22-carat solid red gold, is also engraved and openworked.

The Venturer Tourbillon Dual Time Sapphire Blue Skeleton is equipped with a second time zone, indicated by a red, rhodium-plated hand, which is concealed beneath the main hour hand when the function is not in use. It also features an interchangeable minute tourbillon equipped with an original Straumann Double Hairspring®, a stroke of genius for a watch that is truly a part of the history of time, and which transcends the advantages of a simple tourbillon.

The Venturer Tourbillon Dual Time Sapphire Blue Skeleton is an exceptional timepiece: a daring and innovative model with a provocative design. Never has a tourbillon been any less conventional. Playing with surprising contrasts, H. Moser & Cie. showcases watchmaking's most traditional and exceptional complication, the tourbillon, with a contemporary twist that is also nuanced and brings lightness.

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Technical details

Model: Venturer Tourbillon Dual Time Sapphire Blue Skeleton
Reference 2803-1001, Sapphire model, black alligator leather strap -  Unique piece

Case
Sapphire case, three-part
Diameter: 41.5 mm, height: 14.3 mm
Curved sapphire crystal and see-through sapphire case back
Sapphire crown engraved with an “M”
Dial
Sapphire flange integrated into the 3-part sapphire case
Midnight blue indices
Rose gold leaf-shaped hands
Movement
Blue skeletonised, in-house, automatic HMC 803 calibre
Diameter: 34.0 mm or 15 lignes, height: 6.5 mm
Frequency: 21,600 Vib/h
Bi-directional pawl winding
Solid 22-carat red gold skeletonised rotor engraved with the H. Moser & Cie. hallmark
Power reserve: minimum 3 days
Moser teeth for all wheels and pinions
Original Straumann Double Hairspring®
Interchangeable Moser minute tourbillon at 6 o'clock with skeletonised bridges
Functions
Hours and minutes
Second hour hand can be hidden when not in use
Strap
Hand-stitched black alligator leather strap
18-carat gold pin buckle

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Press release - 2016
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CONTACT
Nathalie Cobos, T +41 76 319 03 09, press@h-moser.com
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H. MOSER &CIE.
MOSER SCHAFFHAUSEN AG
Rundbuckstrasse 10
CH-8212 Neuhausen am Rheinfall
Switzerland
TEL.          +41 52 674 0050
FAX          +41 52 674 0055
E-MAIL      info@h-moser.com
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A. Lange & Sohne – RICHARD LANGE Jumping Seconds Platinum

A. Lange & Sohne – RICHARD LANGE Jumping Seconds Platinum Limited Edition NEW


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Split-second precision

The first pieces of the RICHARD LANGE JUMPING SECONDS in platinum have recently been delivered to the dealers of A. Lange & Söhne. The typical regulator dial, the classic jumping seconds mechanism, the constant-force escapement and the ZERO-RESET mechanism come together in a fascinating reinterpretation of the scientific observation watch.

For ten years, the name RICHARD LANGE has stood for a continually growing watch family. It convincingly transitions the scientific observation watch, a genre traditionally nurtured by A. Lange & Söhne, from the past to the present. Additionally, its name pays tribute to Ferdinand Adolph Lange's firstborn son. Born in 1845, Richard Lange adopted his father's legacy by translating the latest insights in physics, chemistry and mathematics into numerous technical developments. Many of his patents were embodied in the manufactory's technically elaborate pocket watches.

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Presented in January 2016, the RICHARD LANGE JUMPING SECONDS broadens the watch family with a model including a classic function that was once a feature of A. Lange & Söhne's historic pocket watches. Its newly developed L094.1 manufacture calibre is endowed with this complication (also referred to as seconde morte), and has an innovative constant-force escapement. The mechanism utilises the switching impulse of the jumping seconds integrated in the wheel train to deliver fresh energy to the remontoir spring of the constant-force escapement. In a separate wheel train between the mainspring barrel and the escapement, the constant-force mechanism compensates the gradually declining power of the mainspring. It assures virtually constant torque and a stable amplitude across the entire power-reserve period of up to 42 hours.

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The ZERO-RESET mechanism allows the watch to be quickly and comfortably synchronised with a time signal. The rhodié-coloured regulator dial features a prominent seconds circle and presents itself in a stately platinum case with a diameter of 39.9 millimetres. A small aperture at the intersection of the hour and minute circles reminds the owner when it is time to wind the watch: the display switches to red ten hours in advance.

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In the movement, hand-finished to the strictest Lange standards, the technical processes are easily observable through the sapphire-crystal caseback. A five-point star, that controls the seconds jumps, rotates beneath a transparent sapphire bearing jewel in the middle of the mirror-polished end piece. The remontoir spring of the constant-force escapement can be seen through an opening in the three-quarter plate. The levers, springs and clutch of the ZERO-RESET mechanism are readily visible as well.

Technical addendum for the RICHARD LANGE 

JUMPING SECONDS

The RICHARD LANGE JUMPING SECONDS conceals three technical highlights beneath its puristic regulator dial: the namesake jumping seconds, the constant-force escapement that assures uniform power management and the ZERO-RESET mechanism for resetting the seconds hand. 

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These are three reasons for a look backstage and into the construction of Lange's L094.1 manufacture calibre.

Jumping seconds

The jumping seconds is an A. Lange & Söhne tradition that dates back nearly 150 years. In 1867, Saxon watchmaking pioneer Ferdinand Adolph Lange crafted a pocket watch with a seconde morte. Its large sweep seconds hand circumscribed a minute in exactly 60 steps. The hand could be started and stopped but not reset to zero. His sons Richard and Emil evolved the system and in 1877 filed a patent application for the mechanism they mounted on the three-quarter plate, naming it "seconds movement with jumping seconds".

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The functional principle of the RICHARD LANGE JUMPING SECONDS, launched in January 2016, is similar: as in the historic mechanism, a flirt and a star were the elements that controlled the seconds jump, the conversion of the six semi-oscillations of the balance into one hand step per second.

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The star that rotates beneath a transparent sapphire bearing jewel is attached to the escape wheel arbor. Together with the escape wheel, it rotates about its own axis once every five seconds. After each full second, one of the tips of the star liberates the tensioned lever arm, which watchmakers refer to as the "flirt". It performs an abrupt rotation through 360 degrees before being stopped by the next tip again. This motion sequence causes the seconds hand to advance by precisely one marker.

Constant-force escapement

A. Lange & Söhne has been intensively investigating ways to offset the difference between the high initial torque and low final torque of mainsprings. With the fusée-and-chain transmission first introduced in 1994, and three different constant-force escapements, A. Lange & Söhne has meanwhile developed four separate constant-power delivery systems.

In the LANGE 31, the constant-force escapement delivers a constant amount of torque in ten-second intervals across a period of 31 days. In the ZEITWERK, it harnesses the force of the powerful mainspring and instantaneously advances the numeral discs once every minute. In the RICHARD LANGE JUMPING SECONDS, the mechanism fulfils a dual function: on the one hand, it offsets the waning power of the mainspring barrel, and on the other, it prevents a loss of amplitude during the seconds jump.

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The mechanism utilises the switching impulse of the jumping seconds integrated in the wheel train to deliver fresh energy to the remontoir spring of the constant-force escapement, which is visible through an aperture in the train bridge. In a separate wheel train between the mainspring barrel and the escapement, the constant-force escapement compensates the dwindling torque of the mainspring. The remontoir spring of the constant-force mechanism delivers virtually constant torque to the escapement, so the amplitude of the watch remains stable during the entire power reserve period of up to 42 hours. In combination with the cam-poised balance, excellent rate stability is guaranteed by a free-sprung hairspring, which, like the remontoir spring, is made in-house.

ZERO-RESET mechanism

The ZERO-RESET device first integrated into the SAX-0-MAT movement in 1997 was refined for the RICHARD LANGE JUMPING SECONDS and endowed with a multidisc clutch. Its purpose is to reliably steady the large seconds hand with its comparatively high moment of inertia, especially during the sudden acceleration and braking phases associated with the seconds jump. Additionally, the clutch makes it possible to isolate the wheel train when resetting the seconds hand to zero.

Click on the mouse wheel to see the large size ...           BIG FOTO

When the crown is pulled, a complex set of levers triggers three processes within fractions of a second: the arresting spring is gently pivoted into the balance and holds it, and the clutch discs are separated with a clamp, disconnecting the seconds hand from the wheel train.

The reset hammer contacts the heart cam, advancing it and the seconds hand to the zero position. When the crown is pushed home, the seconds hand is re-engaged with the wheel train and the balance is released. It immediately starts oscillating again.

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Technical Specifications

Model: RICHARD LANGE Jumping Seconds Platinum

Reference: № 252.025 Platinum
Limited Edition  100 watches.

Movement
Lange manufacture calibre L094.1
Manually wound, crafted to the most exacting Lange quality standards,
decorated and assembled by hand; precision-adjusted in five positions;
constant-force escapement with remontoir spring crafted in-house;
plates and bridges made of untreated German silver;
balance cock engraved by hand
Movement measures:
Diameter: 33.6 millimetres; height: 6.0 millimetres
Movement parts: 390
Bearing jewels: 50
Screwed gold chatons: 8
Escapement: Lever escapement 
Oscillator:
Shock-resistant balance wheel with eccentric poising weights;
balance spring manufactured in-house with a frequency of
21,600 semi-oscillations per hour, precision beat-adjustment
system with lateral setscrew and whiplash spring
Power reserve: 42 hours when fully wound
Functions
Time display in hours, minutes and jumping seconds with stop
seconds and ZERO-RESET function; end-of-power indication
Operating elements:
Crown for winding the watch and setting the time
Case
Platinum
Diameter: 39.9 millimetres; height: 10.6 millimetres
Crystal and back: Sapphire crystal (Mohs hardness 9)
Dial: Solid silver, rhodié
Hands: Hours and minutes in rhodiumed gold, blued-steel seconds hand
Strap
Hand-stitched alligator leather strap, black
Buckle: Lange prong buckle in platinum

Limited edition  100 watches

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Contact information for the media
Arnd Einhorn, Director Press and PR
Tel.: +49 35053 ; 44-5505
E-mail: presse@lange-soehne.com
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