Brand: Audemars Piguet Ref. 15500OR.OO.D002CR.01 Collection: Royal Oak Case Material: 18kt rose gold case Movement: automatic movement Case shape: Polygon Bracelet: folding clasp, black leather strap Crystal: scratch resistant sapphire crystal Dial: black dial Bezel: fixed bezel Diameter: 41mm Thickness: 10.4mm Water Resistance: 50m Power reserve 70h