Audemars Piguet Royal Oak Tourbillon Chronograph Openworked Watch 44 mm 950 platinum case, 13.2 mm thick, glareproofed sapphire crystal back, glareproofed sapphire crystal, satin-brushed blue openworked dial with blue counters, pink gold applied hour-markers and Royal Oak hands with luminescent coating, blue inner bezel, Calibre 2936 hand-wound movement with tourbillon, chronograph, hours, minutes, small seconds, approximately 72 hours of power reserve, hand-stitched large square scale blue alligator strap, 950 platinum AP folding buckle. Water resistant to 20 meters.