Freestyle ' Big Display Mariner Sailing' Quartz Plastic and Silicone Sport Watch, Color:Black (Model: 101887) Japanese quartz digital movement with standard digital functions as well as countdown timer with unique beep signals and repeat and count-up timer function, dual time, alarm and night vision backlight Durable polycarbonate case with stainless steel pushers Soft, pliable, comfortable silicone strap with stainless steel buckle Durable hardened mineral crystal protects watch from scratches, Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving