Rip Curl Men's 'Radar Midnight Polyurethane' Quartz Stainless Steel Casual Watch, Color:Black (Model: A2465-AMB) 316L marine grade stainless steel case Durable, waterproof and comfortable polyurethane strap Hardened mineral crystal Triple-sealed crown Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving