AUDEMARS PIGUET. A VERY FINE AND RARE 18K GOLD OPENFACE MINUTE REPEATING PERPETUAL CALENDAR SPLIT SECONDS CHRONOGRAPH KEYLESS LEVER WATCH

AUDEMARS PIGUET. A VERY FINE AND RARE 18K GOLD OPENFACE MINUTE REPEATING PERPETUAL CALENDAR SPLIT SECONDS CHRONOGRAPH KEYLESS LEVER WATCH
SIGNED AUDEMARS PIGUET, NO. 12535, REF. 5543, CIRCA 1925/1950
Nickel-finished lever movement, 34 jewels, silvered matte dial, applied baton numerals, four subsidiary dials for constant seconds combined with date, 30 minute register combined with day, month combined with leap year indicator and phases of the moon with lunar calendar, polished case with stepped bezels, case, dial and movement signed
50mm diam.