Live Auction 1410Important Watches
A. Lange & Söhne. A very fine 18K pink gold automatic perpetual calendar wristwatch with moon phases, oversized date and zero-reset function
Lot 226 VARIOUS PROPERTIES

A. Lange & Söhne. A very fine 18K pink gold automatic perpetual calendar wristwatch with moon phases, oversized date and zero-reset function

SIGNED A. LANGE & SÖHNE, GLASHÜTTE I/SA, SAX-O-MAT, LANGEMATIK PERPETUAL, REF. 301.025, MOVEMENT NO. 66'886, CASE NO. 183'064, MANUFACTURED IN 2009

Closed9 November 2015

Price Realised

CHF 35,000

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A. Lange & Söhne. A very fine 18K pink gold automatic perpetual calendar wristwatch with moon phases, oversized date and zero-reset function
Signed A. Lange & Söhne, Glashütte I/SA, SAX-O-MAT, Langematik Perpetual, ref. 301.025, movement no. 66'886, case no. 183'064, manufactured in 2009
Cal. L922.1 automatic movement, 43 jewels, silvered dial, applied pink gold Roman and baton numerals, luminous accents, luminous hands, outer railway minute divisions, large double window for date, three sunken engine-turned subsidiary dials for week in English combined with 24 hours display, month in English combined with leap year, constant seconds combined with moon phase, large circular case, calendar adjustment buttons in the band, glazed display back secured by six screws, 18K pink gold Lange buckle, case, dial and movement signed
38.5 mm. diam.

Specialist note

The Langematik Perpetual is the world's first automatic wristwatch featuring a perpetual calendar, an oversized date and the patented zero reset mechanism allowing the calendar displays as well as the moon phase indication to be advanced either individually or collectively by depressing the calendar change button in the band.

Once correctly set, the date display remains accurate until the next secular year occurs. The moon phase mechanism is also stunningly accurate: after 122.6 years of uninterrupted operation, it deviates from synodic lunation by merely one day.

Lange's patented "zero-reset" mechanism simplifies the synchronization of the watch with a time signal. When the crown is pulled out, it automatically causes the seconds hand to jump to the 12 o'clock or "zero" position.

The Langematik Perpetual model is described and illustrated in A. Lange & Söhne - eine Uhrmacherdynastie aus Dresden by Reinhard Meis, Volume II, 2011 edition, p. 365, pl. 1165.