MODEL: 25977ST S/NO: "G251XX" SERIES BOX & CERT UNDATED. Manual Winding AP calibre 2889 in stainless steel case 44mm, original AP Croco leather strap with stainless steel deployant buckle. Black dial with “Grande Tapisserie” pattern, white gold applied hour-markers and Royal Oak hands with luminescent coating. Water resistant at 20 meters / 60 feet.