Audemars Piguet Royal Oak Chronograph Case: Octagonal yellow gold case 750/1000 with integrated yellow gold bracelet, screwdown Chrnograph pushers;Dial: "Tropical" Patina (originally grey) Tappisserie dial with applied markers, 60 second, 30 minute and 12 hour counter, small seconds at 6 o'clock, date between 4 and 5 o'clock, signed: "Audemars Piguet";Movement: Rhodium-plated automatic chronograph movement with column-wheel, Perlage, date ;Cal.: 2385;Ref.: 25860BA.OO.1110BA.01;Movement No.: 469661;Case No.: D-89094 / No: 0071;Accessories: Extract from the Archives ;D=: 39mm;Year: 1998; Starting Bid : 30000