37.00 mm case diameter, mother-of-pearl dial signed AUDEMARS PIGUET, applied gold baton numerals, gold pencil hands, subdials at 3, 9 and 12 o'clock for date, moonphase, day and month respectively, setting buttons at 4, 8 and 10 o'clock, beveled polished bezel, snap-on case back, Cal. 2120/2 38 jewel self-winding movement adjusted to heat, cold, isochronism and five positions with a 21c gold rotor signed AUDEMARS PIGUET, 18 gold link bracelet, double deployant clasp.
Movement number: 286998.
Case back stamp: C43261 QUANTIEME PERPETUAL AUTOMATIQUE No. 011.
Inner case back stamp: AUDEMARS PIGUET SWISS MADE 18K 750 C43261.