Audemars Piguet. A fine and elegant 18K white gold gold openface perpetual calendar keyless lever watch with moonphase and box

Audemars Piguet. A fine and elegant 18K white gold gold openface perpetual calendar keyless lever watch with moonphase and box
Signed Audemars Piguet, no. 33567, manufactured in 1929
Cal. 17 1/2 SVFQ3 nickel-finished lever movement, 19 jewels, bimetallic compensation balance, silvered dial, applied white gold Arabic numerals, outer dot minute divisions, white gold Cathedral hands, four sunk subsidiary dials for month and leap year, day, date and constant seconds with moon phases and lunar calendar, circular "Murat" case, snap on back, case numbered, dial and movement signed
46 mm. diam.