Audemars Piguet Royal Oak Selfwinding Watch is a 41mm x 9.80mm in a beautiful 18K pink gold case, sapphire crystal back, screw-locked crown, glare-proofed sapphire crystal, black dial with grande tapisserie pattern, pink gold applied hour-markers with luminescent coating, and pink gold Royal Oak hands with luminescent coating , self-winding Audemars Piguet Calibre 3120 movement with date and large seconds, approximately 60 hours of power reserve, 18K pink gold bracelet. Also, is Water resistant up to 50 meters.