41mm 18K rose gold case, 11mm thick, screw-locked crown, glare proof sapphire crystal, brown dial with Grande Tapisserie” pattern, pink gold-toned counters, pink gold applied hour-markers and Royal Oak hands with luminescent coating, Calibre 2385 selfwinding movement with chronograph, hours, minutes, small seconds, date, approximately 40 hours of power reserve, 18K pink gold bracelet, AP folding buckle. Water resistant to 50 meters. Basic Info Reference number 26331OR.OO.1220OR.02 Brand Audemars Piguet Model Royal Oak Chronograph Caliber Movement Automatic Movement/Caliber 2385 Power reserve 40 h Number of jewels 37 Case Case diameter 41 mm Water resistance 5 ATM Dial Brown Bracelet/strap Bracelet material Rose Gold Clasp material Clasp Fold clasp