Rip Curl Women's 'Cortez 2 SSS-Black' Quartz Stainless Steel Sport Watch, Color:Silver-Toned (Model: A2481G-BLK) 316L Stainless steel case that is ideal for salt water and will never rust or corrode Waterproof and depth tested up to 100 meters (330 feet) Single Jewel movement Stainless steel strap with locking clasp and safety strap Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving