Gold, two colour enamel and diamond set lever Circa 1909

Open faced pendant watch by Patek Philippe
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A Swiss 18 carat gold, two colour enamel and diamond set open faced keyless lever pendant watch, circa 1909. Gilt finished lever movement, bimetallic compensation balance. Gold cuvette with engraved inscription. White enamel dial with Breguet numerals and outer five minute divisions. Highly decorative case with green and sea blue translucent enamel on a guilloché background, diamond set decorative foliage and swag motifs, translucent sea blue enamel to the band and rim. Case, dial and movement signed.
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Diameter: 28 mm
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Signed: Patek, Philippe & Cie Genève