Rip Curl Men's 'Detroit-Gray Matte' Quartz Stainless Steel Sport Watch, Color:Silver-Toned (Model: A2227-GRY) Quartz jeweled movement 316l high grade stainless steel case that does not rust and is non-corrosive when exposed to a marine environment 5 year limited warranty Durable mineral crystal that is scratch resistant and protects from all types of impact Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving