37mm stainless steel case
AP folding buckle
diamond-set 18K pink gold dial with pink gold Royal Oak hands with luminescent coating
Powered by the Caliber 3120 self-winding movement
satin-brushed black openworked dial with black counters
Audemars Piguet Royal Oak Chronograph Watch - 26331ST.OO.1220ST.02 and 37mm stainless steel case41mm stainless steel case, 11mm thick, screw locked crown, glareproofed sapphire crystal, black dial with Grande Tapisserie" pattern, silver toned counters, white gold applied hour markers and Royal Oak hands with luminescent coating, Calibre 2385 self winding movement with chronograph, hours, minutes, small seconds, date, approximately 40 hours of power reserve, stainless steel bracelet, AP folding buckle. Water resistant to 50 meters."