Tuesday, February 12, 2019

A. Lange & Sohne – DATOGRAPH Perpetual Tourbillon Gold Edition


A. Lange & SöhneSAXONIA DATOGRAPH Perpetual Tourbillon White Gold Limited Edition

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DATOGRAPH PERPETUAL TOURBILLON
Reinterpretation of a masterpiece

The unique combination of a flyback chronograph, a perpetual calendar withmoonphases, a tourbillon with stop seconds, and a power-reserve indicator byA. Lange & Söhne presents itself in white gold for the first time, in this edition with apink gold dial.

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The name already suggests the immense technical potential offered by the DATOGRAPH PERPETUAL TOURBILLON that was launched in ➡️ 2016: The term DATOGRAPH refers to a flyback chronograph with a precisely jumping minute counter and the typical Lange outsize date. PERPETUAL stands for its perpetual calendar with precisely jumping displays combined with a moon-phase indication calculated to remain accurate for 122.6 years.

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Finally, the TOURBILLON part alludes to the one-minute tourbillon with patented stop seconds that isvisible on the caseback side; it eliminates the influence of gravity on the escapement inside its cage. The well-organised arrangement of the time, calendar and chronograph displays is rounded off with a power-reserve indicator at the end of the tachymeter scale.

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A first 100-watch edition in platinum with a black dial is now followed by a second edition of 100 watches in white gold with a pink-gold dial. The new hue enriches the deliberately reduced spectrum of A. Lange & Söhne with a warmer nuance that creates a pleasant contrast to the cool charisma of the 41.5-millimetre white-gold case and the rhodiumed gold hands andappliques.

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The development of the DATOGRAPH PERPETUAL TOURBILLON is powered by an impres-sive success story that began with the presentation of the first DATOGRAPH in 1999. Its rare combination of a classic column-wheel design, a precisely jumping minute counter and theflyback function attracted considerable attention.

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The clearly structured dial layout, in which the Lange outsize date and the two subsidiary dials form an equilateral triangle, gave it the status of a timeless icon. This prominent constellation is echoed by the DATOGRAPH PERPETUAL TOURBILLON. Its larger diameter made it possible to enlarge the subsidiary dials that accom-modate the displays of the perpetual calendar. The subsidiary seconds, the day of the week and the day/night indicator are on the left side, while the precisely jumping minute counter, the months, and the leap-year indicator are on the right.

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Three recessed correctors make it possible to adjust the moon phase, the day, and the month separately. A universal button at 10 o'clock advances all calendar displays collectively.

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The sapphire-crystal caseback reveals the L952.2 manufacture calibre that consists of 729 parts. Finished manually down to the last detail, its complexity reflects the ambition of A. Lange & Söhne to continue to redefine the limits of mechanical watchmaking.

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Technical Specifications

Model: Saxonia DATOGRAPH Perpetual Tourbillon Gold
Reference №: 740.056

Limited Edition100 watches.

Movement
Lange manufacture calibre L952.2;
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: 32.6 millimetres; height: 9.0 millimetres
Movement parts: 729
Bearing jewels: 59
Screwed gold chatons: 5, including one diamond endstone
Escapement: Lever escapement
Oscillator:
Shock-resistant balance with eccentric poising weights,
balance spring manufactured in-house with a frequency of 18,000 semi-oscillations per hour
Power reserve: 50 hours when fully wound
Functions
Hours and minutes; subsidiary seconds dial; Tourbillon with patented stop-seconds;
Chronograph with flyback and precisely jumping minute counter;
Perpetual calendar with outsize date, day of week, month and leap-year display;
Moon-phase display; day/night indicator;
Power-reserve indicator; 50 hours power reserve
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
White Gold
Diameter: 41.5 millimetres;
Height: 14.6 millimetres
Crystal and back: Sapphire crystal (Mohs hardness 9)
Dial  Solid pink gold, pink gold
Hands:  Hour and minute hands in rhodiumed gold, luminous; day, month and four-year hands in rhodiumed gold; chronograph sweep seconds hand, subsidiary seconds hand and minute counter hand in  rhodiumed gold
Strap
Hand-stitched alligator leather strap, Brown
Buckle: Lange prong buckle


#alangesoehne #datograph #datographperpetual #datographperpetualtourbillon #sihh2019

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Press Release - 2019
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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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