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    Sale 2392

    Important Watches

    29 November 2007, Hong Kong

  • Lot 2996

    A.LANGE & SÖHNE. AN EXTREMELY FINE AND RARE LIMITED EDITION 18K PINK GOLD TOURBILLON WRISTWATCH WITH POWER RESERVE INDICATION AND EXCEPTIONALLY RARE CASE

    SIGNED A.LANGE & SÖHNE, GLASHÜTTE I/SA, MODEL "TOURBILLON POUR LE MÉRITE", NO. 89/150, CASE NO. 110339, CIRCA 1996

    Price Realised  

    A.LANGE & SÖHNE. AN EXTREMELY FINE AND RARE LIMITED EDITION 18K PINK GOLD TOURBILLON WRISTWATCH WITH POWER RESERVE INDICATION AND EXCEPTIONALLY RARE CASE
    SIGNED A.LANGE & SÖHNE, GLASHÜTTE I/SA, MODEL "TOURBILLON POUR LE MÉRITE", NO. 89/150, CASE NO. 110339, CIRCA 1996

    Cal. L902.0 finely engraved three-quarter plate nickel-finished lever movement, 29 jewels, screwed gold chatons, Glucydur balance adjusted in 5 positions, Nivarox Breguet balance-spring with overcoil, power equalisation with chain and fusée, hand-engraved balance bridge, the black matte dial with applied pink gold lozenge-shaped numerals and outer railway minute track, pink gold alpha hands, two silvered engine-turned subsidiary dials for constant seconds and 36-hour power reserve indication, visible three-arm one-minute tourbillon carriage bearing two diamond endstones, in circular case with sloping bezel and downturned lugs, glazed display back secured by six screws, together with an 18k pink gold Lange buckle, case, dial and movement signed
    36 mm. diam.


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    US$100,000-150,000
    EUR73,000-110,000

    Accompanied by an A.Lange & Söhne cardboard case.

    The rarity of this timepiece lies in its highly desirable drum-shaped case measuring just 36 mm. as compared to the more commonly designed case size of 38 mm. This is the first time and to the best of our knowledge that such a rare example has been offered at auction.

    The Tourbillon Pour le Mérite was introduced into the market in 1994, produced in a limited edition of just 150 examples, 15 examples in pink, 15 in white and 120 in yellow gold. Another 50 examples were produced in platinum and 1 in stainless steel. The present watch bears the number 89.

    Lange's Tourbillon Pour le Mérite is a highly complicated timepiece incorporating a number of fascinating technical details never before applied to a wristwatch, most notably the going train driven with a chain and fusée invented by Professor Strasser. This ultra complicated mechanism optimises the rate accuracy of the watch and is visible through an aperture in the movement's plate. A highly sophisticated planetary gearing system keeps the power to the going train steady even when the watch is being wound.

    According to research, it appears that the Tourbillon Pour le Mérite is one of only two wristwatches known today fitted with a chain and fusée for power equalisation. The other model is Lange's "Tourbograph Pour le Mérite" with a tourbillon regulator and split seconds chronograph, introduced into the market in 2006.