Freestyle Women's 10019186 Shark Clip Digital Display Japanese Quartz Black Watch Japanese quartz digital movement with standard digital functions (day/time/date, alarms, countdown heat timer, chronograph and night vision backlight, durable polycarbonate case and hydro pushers which can be pushed underwater Comfortable and durable canvas strap with plastic push-button closure, durable hardened mineral crystal protects watch from scratches, water-resistant to 330 feet (100m) and all with a limited lifetime warranty Japanese-quartz Movement Case Diameter: 30mm Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving