细节
Patek Philippe. A fine 18K gold perpetual calendar openface keyless lever watch with phases of the moon
Signed Patek Philippe & Co., Genève, No. 930960, circa 1950
With nickel-finished lever movement, 18 jewels, bimetallic compensation balance, swan neck regulator, the silvered matt dial with applied Arabic numerals, four subsidiary dials indicating month combined with leap year indicator, day, date and phases of the moon combined with constant seconds, the plain case with snap on back (No. 647101 Ref. 725), delivered with Patek Philippe 18K gold setting pin and leather pouch, case, dial and movement signed
46 mm. diam.