Swiss 18 carat gold open faced lever pocket watch Circa 1910

Pocket watch by Patek Philippe
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Very fine Swiss 18 carat gold open faced keyless winding pocket watch, Gondolo, made for the Brazilian market, circa 1910. Frosted gilt caliber, 19 jewels, wolf`s tooth winding, gold wheel train, straight line moustache lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring. White enamel dial with Arabic numerals, subsidiary seconds at 6. Vermicelli engine turned bezel, side and back decoration, hinged case back. Dial signed, case and movement signed and numbered.
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Signed: Patek, Philippe & Cie Genève
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Diameter: 32 mm