Rip Curl Women's Quartz Plastic and Polyurethane Sport Watch, Color:Black (Model: A2372G-BLW) Lightweight ABS plastic case Every Rip Curl watch is individually tested for water resistance Polyurethane strap repels water, withstands dramatic temperature changes and is highly tear resistant Case diameter: 36 mm Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving