Tuesday, February 2, 2016

A. Lange & Sohne – GRAND LANGE 1 MOON PHASE Lumen


A. Lange & Söhne GRAND LANGE 1 MOON PHASE "Lumen" Platinum Limited Edition NEW


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Presented in a limited edition of 200 watches, the GRAND LANGE 1 MOON PHASE "Lumen" combines a brilliant moon-phase display with a mystically luminous outsize date that reflects the characteristic style of the brand icon.


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In 2013, A. Lange & Söhne introduced the GRAND LANGE 1 "Lumen", a watch with a semi-transparent sapphire-crystal dial that exposes the ingenious disc configuration of the Lange outsize date. It was followed a year later by the GRAND LANGE 1 MOON PHASE with a prominent in-dial moon-phase display that reproduces the lunations with an accuracy of 99.998 per cent. Now, the GRAND LANGE 1 MOON PHASE "Lumen" combines these two remarkable accomplishments in one watch.

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The dial of the new model is made of blackened silver with ample apertures and black-tinted, semi-transparent sapphire-crystal glass. The special coating applied to the glass blocks most of the visible light but not the UV spectra that "charge" the luminous pigments on the outsize-date mechanism and cause them to glow in the dark.

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The tens cross is coated with a white luminous compound and printed with black numerals. Conversely, the units disc, also featuring black numerals, is made of transparent glass and rotates in front of the luminous background of the date aperture.

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Different from Lange's previous moon-phase models with solid-gold lunar discs, the GRAND LANGE 1 MOON PHASE "Lumen" has a disc made of glass. Initially, its surface is treated with a patented coating process. In a second step, a laser is used to cut out 1164 stars and the moon. Thanks to the luminous compound behind the lunar disc, they shimmer with vibrant radiance. The large moon-phase display occupies a prominent position on the main dial. Once properly set, it only needs to be corrected by one day every 122.6 years.

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Featuring all of the quality highlights of an A. Lange & Söhne timepiece, the manually wound calibre L095.4 is elaborately finished and assembled twice. The three-quarter plate made of untreated German silver is decorated with Glashütte ribbing and sets a dramatic stage for the seven screwed gold chatons.

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A classic screw balance with a free-sprung balance spring crafted in-house assures excellent rate accuracy. And the large mainspring barrel delivers power for 72 hours. Presented in a limited edition of 200 watches, this model comes in a 41-millimetre platinum case.

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Technical Specifications

Model: GRAND LANGE 1 MOON PHASE "Lumen" Platinum

Reference №: 139.035

Limited edition200 watches.

Movement 
Lange manufacture calibre L095.4;
Manually wound, crafted to the most exacting Lange quality standards, decorated and assembled by hand; precision-adjusted in five positions; plates and bridges made of untreated German silver; balance cock engraved by hand
Movement measures
Diameter: 34.1 millimetres; height: 9.5 millimetres
Movement parts: 446
Bearing jewels: 45
Screwed gold chatons : 7
Escapement: Lever escapement
Oscillator: 
Shock-resistant screw balance, 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: 72 hours when fully wound
Functions
Off-centre time indication; subsidiary-seconds dial with stop-seconds
mechanism; continuously driven moon-phase display with 122.6 years
precision; luminous outsize date;UP/DOWN power-reserve indicator 
Operating elements 
Crown for winding the watch and setting the time, two pushers for operating the chronograph, rapid-correction pusher for collectively advancing all calendar displays, one recessed corrector each for adjusting the day of the week, the month and the moon phases
Case 
Platinum
Diameter: 41.5 millimetres; height: 9.5 millimetres
Crystal and back: Sapphire crystal (Mohs hardness 9)
Dial:
Basic drive (the outer ring, hours, minutes, seconds auxiliary) in solid silver,
black oxidized; translucent sapphire crystal
Hands: Rhodium gold, glowing
Strap 
Hand-stitched alligator leather strap, black
Buckle: 
Lange prong buckle

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Contact information for the media
Arnd Einhorn, Director Press and PR
* Tel.: +49 (0)35053 44 5505
* E-mail: presse@lange-soehne.com
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