Elegant and fine Swiss keyless lever pendant watch Circa 1910

Gold, platinum, enamel and diamond set pendant watch by Patek Philippe
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An elegant, fine and rare Swiss 18 carat gold, platinum, enamel and diamond set keyless lever pendant watch, circa 1910. Nickel finished lever movement, 18 jewels. Gold cuvette. White enamel dial with Dauphine numerals, outer gilt five minute divisions. Bezel with translucent grey lilac enamel on engine turned ground with white enamel border, the back with translucent lilac enamel on engine turned ground, white enamel floral scrolls to the edge, pierced diamond set rosette to the centre, rose cut diamond and platinum openwork frame and scrolled pendant hoop, amethyst set crown, suspended from a matched chain decorated with translucent lilac and white enamel links. Cuvette, case, dial and movement signed, case and movement numbered.
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Diameter: 33 mm
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Signed: Patek, Philippe & Cie Geneva, Switzerland