Audemars Piguet Royal Oak Selfwinding Chronograph - Stainless Steel - Black Dial - White Sub-Dials - Ref# 26331ST.OO.1220ST.02 Diamond Interchangeable solid and sapphire crystal

Interchangeable solid and sapphire crystal case backs

approximately 45 hour of power reserve

Diameter (10Ð4 oÕclock): 35

30 minutes

Audemars Piguet Royal Oak Selfwinding Chronograph - Stainless Steel - Black Dial - White Sub-Dials - Ref# 26331ST.OO.1220ST.02 Diamond Interchangeable solid and sapphire crystalRoyal Oak Chronograph 41mm Stainless Steel Black Dial 41mm stainless steel case, 11mm thick, screw locked crown, glare proof 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