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A. Lange & Söhne - Lange 1 Fuseaux horaires

The LANGE 1 TIME ZONE has been the perfect companion for cosmopolites and frequent flyers since 2005. In a white-gold version with luminous hands and appliques, it now offers perfect guidance through the world's 24 time zones even in the dark.
01.31.2012

The LANGE 1 TIME ZONE makes it particularly easy for travellers to keep track of time when they cross over from one time zone to the next. Its dial indicates home time and the current time in a second time zone at a single glance. The applicable time zone can be set with pushbutton convenience. For this purpose, the watch features a rotating ring with the names of 24 cities that represent the respective time zones. A push piece moves the ring forward in steps of 15 degrees to the East, causing the hour hand of the subsidiary dial to advance in one-hour increments as well. An ingeniously designed synchronisation mechanism allows the zone time displayed on the subdial to be effortlessly swapped to the main dial. The hands in the small dial then assume the positions previously held by the hands in the large one.

With the new LANGE 1 TIME ZONE in the noble white-gold case, these settings can now be effortlessly performed in the dark as well. This is assured by luminous hands and appliques in rhodiumed gold on the decentrally arranged main and subsidiary dials
and in the power-reserve indicator. Thus, with its luminescent face, this A. Lange & Söhne paragon always delivers a reliable indication of the time en route and at home, by day and by night, around the globe.

The heart of this new member of the prominent LANGE 1 family is the manufacture calibre L031.1. In terms of horological finesse, it offers everything that explains why aficionados around the world associate the name A. Lange & Söhne with the ultimate in watchmaking artistry: typical quality hallmarks such as the three-quarter plate made of untreated German silver, screwed gold chatons, the twin mainspring barrel for a^power reserve of more than three days, the elaborate whiplash precision index adjuster, the hand-engraved balance and intermediate-wheel cocks, and the ingenious outsize date display which in the LANGE 1 TIME ZONE is connected with the time displayed on the main dial. Given these assets, every trip is a moving experience.

Movement

Lange manufacture calibre L031.1, manually wound, crafted to the most exacting Lange quality standards, decorated and assembled by hand; precision-adjusted in five positions; twin mainspring barrel; plates and bridges made of untreated German silver; balance cock and intermediate-wheel cock engraved by hand

Movement parts

417


Jewels

54
 

Screwed gold chatons 4
Escapement Lever escapement

Oscillation system

Shock-resistant glucydur screw balance, Nivarox® balance spring with a frequency of 21,600 semi-oscillations per hour, whiplash precision index adjuster with patented beat adjustment mechanism

Power reserve

72 hours when fully wound

Functions

Home time with day/night indicator (hours, minutes, small seconds with stop seconds), zone time (hours, minutes) with day/night indicator and city ring, outsize date for home time, power-reserve indicator


Operating elements

Crown for winding the watch and setting the time; a push piece for switching the outsize date; a push piece for advancing the city ring

Case dimensions

Diameter: 41.9 millimetres; height: 11.0 millimetres


Movement dimensions

Diameter: 34.1 millimetres; height: 6.7 millimetres

Case

18-carat white gold

Dial

Solid silver, argenté; rhodiumed gold appliques, luminous

Hands

Rhodiumed gold, luminous; blued steel

Crystal and back

Antireflection-coated sapphire crystal (hardness 9)

Strap

Hand-stitched crocodile strap, black

Buckle

Lange prong buckle in white gold

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