Rare Swiss gold double dialed complicated watch Circa 1878

Fine gold hunting cased comlicated lever watch by Courvoisier
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A fine and rare Swiss 18 carat gold hunting cased double dialed keyless lever watch with day, date, month and moon phases, circa 1878. Nickel finished 3/4 plate lever movement. White enamel dial with Roman numerals and subsidiary seconds, the reverse a white enamel dial two subsidiary dials for day and month, outer calibrated date ring with central date hand, sector for phases of the moon. Plain American case, inscribed back interior cover. Dial singed Double Face, movement signed and numbered, case numbered and signed JAD.
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Diameter: 55 mm
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Signed: Courvoisier