Swiss 18 carat rose gold open faced keyless lever Circa 1890

Rose gold gentlemen’s watch
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A Swiss 18 carat rose gold open faced keyless pocket watch made by Patek Philippe in Geneva, circa 1890. The jewelled movement with a lever escapement. White enamel dial with Roman hours, an outer minute track, outermost Arabic five minute numerals, sunk subsidiary seconds at 6 o’clock and gold spade hands. The plain case with a monogram on the hinged back. Dial signed, case and movement signed and numbered.
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Diameter: 46 mm
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Signed: Patek, Philippe & Co Genève