Swiss 18 carat gold and enamel lever dress watch Circa 1909

Gold and enamel open faced lever by Patek Philippe
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A Swiss 18 carat gold and enamel open faced keyless lever dress watch, circa 1909. Retail by Tiffany & Co. Nickel finished, Extra lever movement, 18 jewels, bimetallic compensation balance. Gold cuvette. White enamel dial with Arabic numerals, outer calibrated red Arabic five minute divisions and subsidiary seconds. Polished case, blue enamel monogram, hinged back. Case and movement signed by the watchmaker and retailer, dial signed by the retailer, and case and movement numbered.
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Diameter: 46.5 mm
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Signed: Patek, Philippe & Cie – Tiffany & Co Switzerland