This 41 mm Selfwinding Chronograph encompasses the latest Royal Oak design evolution. Its stainless steel case and bracelet are embellished with a black “Grande Tapisserie” dial. CASE Stainless steel case, glareproofed sapphire crystal and caseback, screw-locked crown. SIZE 41 mm THICKNESS 12.4 mm WATER RESISTANCE 50 m DIAL Black dial with “Grande Tapisserie” pattern, black counters, white gold applied hour-markers and Royal Oak hands with luminescent coating. CALIBRE 4401 FUNCTIONS Flyback chronograph, hours, minutes, small seconds and date. NUMBER OF JEWELS 40 MECHANISM Selfwinding POWER RESERVE 70 h TOTAL DIAMETER 32 mm NUMBER OF PARTS 381 FREQUENCY 4 hz 28,800 vph THICKNESS 6.9 mm