Swiss gold and enamel half hunting cased lever watch Circa 1880

Gold and enamel lever pendant watch by Patek Philippe
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A very fine Swiss 18 carat gold and enamel half hunting cased keyless lever pendant watch, circa 1880. Rhodium-plated movement, Geneva striping decoration, 15 jewels, wolf’s tooth winding, straight-line moustache lever escapement, cut bimetallic compensation balance, blued steel flat balance spring, index regulator. Gold hinged cuvette. Two-tone white enamel dial with Roman numerals, outer minute track and original blued steel spade hands. Foliate engraved case, the front with glazed aperture, radial blue Roman numerals, opaque turquoise petal-edged enamel border painted with flower sprays, the interior with engraved inscription, the back cover decorated to match with a central painted on enamel flower spray. Case and cuvette signed. Accompanied by the Extract from the Archives.
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Diameter: 33 mm
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Signed: Patek Philippe & Co Genève