Rare, early gold hunting cased complicated watch Circa 1868

Gold complicated watch by Patek Philippe
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A fine, rare and early Swiss 18 carat gold hunting cased perpetual calendar keyless lever watch with moon phases, circa 1868. Mechanical fully jewelled lever movement. White enamel dial with Roman numerals, four subsidiary dials for moon phase, day and constant seconds, date and month. Engine turned case, ribbed band. Case and cuvette signed and numbered, movement numbered underneath the dial.
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Diameter: 52.5 mm
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Signed: Patek Philippe & Co Genève