Fine and rare Swiss gold complicated lever watch Circa 1880

Gold repeater with perpetual calendar and moon phases by Louis Audemars
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A fine and rare Swiss 18 carat gold hunting cased minute repeating keyless lever chronograph watch with perpetual calendar and moon phases, circa 1880. Mechanical fully jewelled keyless lever movement, repeating on two steel hammers. Gold cuvette. White enamel dial with Roman numerals, outer railway Arabic five minute divisions, four subsidiary dials for month and leap year, day, date and moon phases with lunar calendar and constant seconds. Engine turned case, engraved inscription Hommage au Dr. Grinda Mars 1905 E.J.M. to the inside of the front cover, repeating slide and chronograph button in the band. Case stamped with Louis Audemars’ hallmarks and numbered, cuvette and movement signed and numbered, dial signed.
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Diameter: 56 mm
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Signed: L. Audemars Brassus, Suisse