The 20th anniversary of Royal Oak chronographs marks a return to the two-tone dial design launched in 2008 – with subtle new details. This sleek stainless steel edition features a black “Grande Tapisserie” dial with bigger chronograph counters and new typeset, transfers, finishes and brighter luminescent coating for optimised readability. 41mm stainless steel case, 11mm thick, screw-locked crown, glareproofed 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 folding buckle. Water resistant to 50 meters.