Swiss 18k gold and enamel lever pendant watch Circa 1867

Gold and enamel hunting cased keyless lever by Patek Philippe
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A very fine Swiss 18 carat gold and enamel hunting cased keyless lever pendant watch, circa 1867. Retailed by J.W. Tucker & Co, San Francisco. Sold on April 22nd, 1869. Rhodium plated movement, 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. White enamel dial with Roman numerals, outer minute track and original blued steel Breguet hands. Solid, entirely engraved case with a geometric pattern and foliage with black enamel highlights, the front with engraved foliate monogram EB in a small cartouche. Case and cuvette. Accompanied by the Extract from the Archives.
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Diameter: 43 mm
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Signed: Patek, Philippe & Co Geneva – J.W. Tucker & Co