Swiss gold and enamel open faced pendant watch Circa 1911

Open faced lever pendant watch by Patek, Philippe & Cie
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A Swiss gold and enamel open faced keyless lever pendant watch, circa 1911. Frosted gilt finished lever movement, bimetallic compensation balance. Gold cuvette. White enamel dial with Breguet numerals, outer five minute track and fine pierced gold hands. Case with translucent purple enamel on guilloché background. Comes with a matching gold and translucent purple enamel chain with cylindrical links. Case, dial and movement signed.
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Diameter: 27 mm
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Signed: Patek, Philippe & Cie Genève