Stainless steel case/bracelet and it comes with an additional tropical composite black strap. Has a sapphire crystal that covers its embossed black dial. Foldover clasp. Center sweep subdial second hand. Screw-down crown. Mechanical self-winding movement. Date displays at 3 oclock position. Water resistant at 120 meters (400 feet). Patek Philippe Aquanaut Steel Mens Watch 5065-1A