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    Sale 12572

    Important Watches

    30 May 2016, Convention Hall

  • Lot 2612

    A. LANGE & SÖHNE. A VERY FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE

    SIGNED A. LANGE & SÖHNE, MONATS-WERK, GLASHÜTTE I/SA, LANGE 31 MODEL, REF. 130.025, MOVEMENT NO. 80'045, CASE NO. 179'861, CIRCA 2012

    Price Realised  

    Estimate

    A. LANGE & SÖHNE. A VERY FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE
    SIGNED A. LANGE & SÖHNE, MONATS-WERK, GLASHÜTTE I/SA, LANGE 31 MODEL, REF. 130.025, MOVEMENT NO. 80'045, CASE NO. 179'861, CIRCA 2012
    Cal. L034.1 mechanical movement, 62 jewels, silvered dial, applied baton numerals, sector for 31 day power reserve, large double apertures for date, subsidiary seconds, heavy circular case, button in the band for date adjustment, glazed display back secured by six screws with aperture for key winding mechanism for 31 day power reserve, platinum A. Lange & Söhne deployant clasp, case, dial and movement signed
    46 mm. diam.
    US$65,000-90,000


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    The revolutionary Lange 31 is the first mechanical wristwatch with a power reserve of 31 days. The exceptionally high power reserve can assure high rate stability and consistent rate accuracy for an entire month. The watch features a key winding mechanism of historic pocket watches and can be wound with a stainless steel winding key through an aperture to the case back. This particular winding mechanism generates much more torque than would be possible with a crown. In order to prevent over tightening of the springs, this complex movement features a built-in torque limiting mechanism and a backstop ratchet that slows down the key when it is turned anti-clockwise.

    The Lange 31 attests to the fine craftsmanship, technical excellence as well as aesthetic qualities at A. Lange & Söhne, making it a highly sought-after collector's watch.

    Special Notice

    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.