Speedo Men's Quartz Plastic and Silicone Sport Watch, Color:Black (Model: SD50586BX) Quartz movement Stopwatch with Lap Times stores multiple workouts (up to 150 laps) Alarm function featuring three independent alarms Aqua-lock uses a uniquely designed strap with a pin-less buckle to keep watch securely on wrist Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving