Audemars Piguet Selfwinding Chronograph

The Royal Oak Selfwinding Chronograph reference 26331ST.OO.1220ST.02 has a 41mm octagonal stainless steel case with an integrated steel bracelet, standing 11mm thick. The black Tapisserie dial features white chronograph subdials and displays hours, minutes, small seconds, a simple calendar, and chronograph functions, all protected by a glareproofed sapphire crystal. It is powered by the selfwinding calibre 2385, offering 40 hours of power reserve, and the case is water resistant to 50 meters.