Swiss 18 carat gold half hunting cased keyless lever Circa 1897

Gold half hunter by Patek Philippe
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A rare Swiss 18 carat gold half hunting cased keyless lever watch, circa 1897. Retailed by Bailey Banks & Biddle, Philadelphia. Jewelled keyless lever movement. Gold cuvette. White enamel dial with blue Roman numerals, outer track for five minute divisions and subsidiary seconds. Engine turned case, the front with blue enamel Roman numerals, central aperture, hinged case back. Cuvette and case signed and numbered, cuvette and dial further signed Bailey Banks & Biddle Philadelphia.
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Diameter: 39.5 mm
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Signed: Patek, Philippe & Co Geneva