Swiss Art Deco lever pendant watch with chain Circa 1910

Gold, platinum, enamel and diamond set open faced lever by Patek Philippe
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A very fine, rare and attractive Swiss 18 carat gold, platinum, enamel and diamond set open faced Art Deco keyless lever pendant watch with matching chain, circa 1910. Gilt finished lever movement, 18 jewels, bimetallic compensation balance, wolf’s tooth winding. Gold cuvette engraved Made for Minnie Jobson Birnie 1911 by Patek, Philippe & Co Geneva, Switzerland. White enamel dial with Arabic numerals and outer red five minute divisions. Translucent light blue-grey enamel on guilloché background decorated case, bezel enhanced with white enamel, hinged back decorated with translucent light blue-grey enamel on guilloché background, diamond set rim, centred by finely detailed platinum mounted filigré round cut diamond set floral decoration, swivel bow. Similarly decorated white and yellow gold and translucent light blue and white enamel link chain. Case, cuvette, dial and movement signed, case and movement numbered. Comes with original certificate and box.
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Diameter: 27.5 mm
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Signed: Patek Philippe & Co Geneva, Switzerland