Audemars Piguet Royal Oak Perpetual Calendar Case: Octagonal yellow gold case 750/1000 with integrated yellow gold bracelet;Dial: Golden dial with applied golden markers, month indication at 12 o'clock, date indication at 3 o'clock, moonphase indication at 6 o'clock, weekday indication at 9 o'clock, signed: "Audemars Piguet Automatic";Movement: Rhodium-plated automatic movement with Geneva stripes and perpetual calendar;Cal.: 2120/2800;Ref.: 25554BA;Movement No.: 274247;Case No.: C-34356 / No 442;Accessories: Extract from the Archives ;D=: 39mm;Year: 1986; Starting Bid : 50000