self winding perpetual calendar caliber 315 S QR movement with day
blue leather strap with gold deployable clasp
fixed bezel with 24-hour graduations
black ceramic pushpieces and screw-locked crown
silver guilloche dial with 18K white gold hour markers and hands
Audemars Piguet Royal Oak Chronograph Watch - 26331ST.OO.1220ST.01 18K self winding perpetual calendar caliber41 mm stainless steel case, 11 mm thick, screw locked crown, glareproofed sapphire crystal, blue dial with Grande Tapisserie pattern, rhodium toned counters, white gold applied hour markers and Royal Oak hands with luminescent coating, Calibre 2385 selfwinding 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.