30 minutes
the case is enhanced by polished and satin finishes
Rolex calibre 3235 perpetual self-winding movement with date at 3 o'clock that changes instantaneously at midnight in a few thousandths of a second
42mm titanium case
Interchangeable solid and sapphire crystal case backs
Audemars Piguet Royal Oak Selfwinding Chronograph - Stainless Steel - Black Dial - White Sub-Dials - Ref# 26331ST.OO.1220ST.02 Diamond 30 minutesRoyal 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