细节
Audemars Piguet made for Gübelin. A fine 18K gold openface minute repeating perpetual calendar chronograph keyless lever watch with phases of the moon
Signed E. Gübelin, Horloger, Lucerne, No. 12584, circa 1914
Cal. 18''' SMCRW nickel-finished fully jewelled lever movement, bimetallic compensation balance, micrometer regulator, wolf's tooth winding, minute repeating on two polished steel hammers onto a gong, gold cuvette, the white enamel dial with Breguet numerals, outer five minute divisions, gold spade hands, four subsidiary dials indicating 60 minutes register combined with month and leap year display, day, date and phases of the moon combined with constant seconds and lunar calendar, in plain circular case with engraved initials to the back, repeating slide in the band, chronograph button in the crown, case numbered, cuvette and movement signed
52 mm. diam.