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    Sale 1413

    Rare Watches Including Important Private Collections

    16 May 2016, Geneva

  • Lot 149

    Audemars Piguet. A fine 18K gold automatic tourbillon wristwatch

    SIGNED AUDEMARS PIGUET, TOURBILLON AUTOMATIQUE, REF. 25643BA, WATCH NO. 47, MANUFACTURED IN 1987

    Price Realised  

    Estimate

    Audemars Piguet. A fine 18K gold automatic tourbillon wristwatch
    Signed Audemars Piguet, Tourbillon Automatique, ref. 25643BA, watch no. 47, manufactured in 1987
    Cal. 2870 automatic movement, 32 jewels, titanium tourbillon regulator, gilt chased dial, dot numerals on blank track ring, aperture revealing oscillator, aperture for tourbillon, rectangular-shaped case, hinged lugs, snap on back displaying with six rubies and engraved “Tourbillon, Automatique, No. 47”, winding crown on the back, 18K gold Audemars Piguet buckle, case, crystal and movement signed
    28.5 mm width, 32.5 mm. length


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    With Wempe service invoice dated 24 November 2015 detailing a full service for a total of 6’159 Euros. According to the Archives of Audemars Piguet, the present timepiece was sold in 1986 in the USA.

    Produced in around 350 examples, the "Tourbillon Automatique" model was launched in 1986, the first self-winding series produced tourbillon. At the time believed to be the world's thinnest and smallest self-winding tourbillon movement. It was furthermore the first tourbillon carriage in the history of mechanical watches made of titanium. The tourbillon rotates anti-clockwise once every 50 seconds. The slimness of the case design results from the use of the back plate of the movement as the case back, resulting in the height of only 4.8 mm including the gold case. The textured sunray design of the dial is derived from an ancient Egyptian relief carving of Akhenaten.

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