Swiss 18 carat gold open faced lever dress watch Circa 1911

Gold lever dress watch by Patek Philippe
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A fine Swiss 18 carat gold open faced keyless lever dress watch with Guillaume balance, circa 1911. Retailed by The Ford Company, New Haven, Connecticut. Nickel finished Extra movement, 21 jewels, guillaume balance, wolf’s tooth winding. Inscribed gold cuvette. White enamel dial with Roman numerals and sunken subsidiary seconds dial. Engine turned case, monogrammed hinged back. Case, cuvette, dial and movement signed by watchmaker, movement signed by retailer.
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Diameter: 50 mm
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Signed: Patek, Philippe & Cie Geneva, Switzerland