Swiss 18 carat gold and platinum pendant watch Circa 1920

Pendant watch with diamonds
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An unusual platinum, gold and enamel pendant watch with diamonds, assembled by Vacheron & Constantin in Genève, Switzerland, circa 1920. The numbered open faced case of this watch was crafted from 18 carat gold and platinum by Paul Ditisheim (P.D.), is framed by a laurel wreath, set with diamonds and the back enamelled. The silvered dial has Arabic hour numerals and steel hands. The movement has a Ditisheim precision escapement and is marked Grand Prix Paris 1900.
The dial is signed.
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Diameter: 32 mm
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Signed: Vacheron & Constantin, Genève
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A comparable watch was sold at an auction in New York in 2012 for more than US$ 9.000 and its serial number suggests it was probably made in the same year as the watch presented here.