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A. LANGE & SÖHNE. A VERY FINE AND EXTREMELY RARE 18K HONEY GOLD BOUTIQUE EXCLUSIVE LIMITED EDITION TOURBILLON WRISTWATCH WITH PATENTED STOP SECONDS MECHANISM, CHAIN FUSEE AND HAND ENGRAVED HONEY GOLD PIVOTING SEGMENT DIAL
A. LANGE & SÖHNE. A VERY FINE AND EXTREMELY RARE 18K HONEY GOLD BOUTIQUE EXCLUSIVE LIMITED EDITION TOURBILLON WRISTWATCH WITH PATENTED STOP SECONDS MECHANISM, CHAIN FUSEE AND HAND ENGRAVED HONEY GOLD PIVOTING SEGMENT DIAL
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> Some watches are pictured with straps made of en… Read more
A. LANGE & SÖHNE. A VERY FINE AND EXTREMELY RARE 18K HONEY GOLD BOUTIQUE EXCLUSIVE LIMITED EDITION TOURBILLON WRISTWATCH WITH PATENTED STOP SECONDS MECHANISM, CHAIN FUSEE AND HAND ENGRAVED HONEY GOLD PIVOTING SEGMENT DIAL

SIGNED A. LANGE & SOHNE, GLASHUTTE I/SA, RICHARD LANGE TOURBILLON POUR LE MERITE HANDWERKSKUNST MODEL, NO. 05/15, REF. 761’050, MOVEMENT NO. 88’550, CASE NO. 199’955, CIRCA 2012

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A. LANGE & SÖHNE. A VERY FINE AND EXTREMELY RARE 18K HONEY GOLD BOUTIQUE EXCLUSIVE LIMITED EDITION TOURBILLON WRISTWATCH WITH PATENTED STOP SECONDS MECHANISM, CHAIN FUSEE AND HAND ENGRAVED HONEY GOLD PIVOTING SEGMENT DIAL
SIGNED A. LANGE & SOHNE, GLASHUTTE I/SA, RICHARD LANGE TOURBILLON POUR LE MERITE HANDWERKSKUNST MODEL, NO. 05/15, REF. 761’050, MOVEMENT NO. 88’550, CASE NO. 199’955, CIRCA 2012
Movement: Cal. L072.1, manual, 32 jewels, signed
Dial: Signed
Case: Glazed display back secured by 6 screws, 43 mm. diam., signed
With: 18k gold A. Lange & Söhne buckle, Guarantee Seal dated 2 March 2012, presentation box, outer packaging, additional strap, product literature and cleaning cloth
Special notice

> Some watches are pictured with straps made of endangered or protected animal materials such as alligator or crocodile. These endangered species straps are shown for display purposes only and are not for sale. Christie’s will remove and retain the strap prior to shipment from the sale site. At some sale sites, Christie’s may, at its discretion, make the displayed endangered species strap available to the buyer of the lot free of charge if collected in person from the sale site within 1 year of the date of the sale. Please check with the department for details on a particular lot. > Prospective purchasers are advised that several countries prohibit the importation of property containing materials from endangered species, including but not limited to coral, ivory, tortoiseshell and crocodile. Accordingly, prospective purchasers should familiarize themselves with relevant customs regulations prior to bidding if they intend to import this lot into another country.
Post lot text
Produced in 2011-2012 and limited to only 15 pieces, the Richard Lange Tourbillon “Pour le Mérite” represents a culmination of what connoisseurs of fine watches associate with the legendary "A. Lange & Söhne" heritage.

This highly impressive and supremely elegant 41.9 mm. diameter watch is made of Lange’s specially developed “honey gold”, an alloy that includes silicon, physically harder and paler than standard 18k gold. The hand-engraved honey gold pivoting segment regulator-style dial takes its inspiration from the dials used for high-precision observatory clocks whereby the hours, minutes and seconds are read from individual chapter rings.

With fusée and chain transmission and a one-minute tourbillon, the L072.1 calibre movement incorporates therefore two of the most historic complications proven to contribute to the greater accuracy of a mechanical watch. Furthermore, the model is fitted with Lange’s patented stop-seconds mechanism which enables the user to stop and restart the entire movement with an accuracy of one-second.

The glazed display back allows the beauty and exceptional finish of the movement to be fully appreciated. To this end, the movement plate has been partially skeletonised so that the fusée and chain system - rarely implemented in wristwatches, can clearly be seen unwinding from the mainspring barrel onto the fusée while the watch is being wound.

The fusée and chain mechanism is one of the most effective methods of maintaining the accuracy of a watch by providing a constant amount of power to the escapement over the period that the mainspring unwinds from fully wound to unwound.

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Yvonne Yu
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