UGE Men's Waterproof Big Case Watch Sporting Multi-function Wristwatch(Black-1032) 3ATM water resistant (waterproof 98.42ft). Please don't press button under water. Battery: environmental lithium battery, long life; Header Diameter: 46 mm Thickness: 14 mm; Material: zinc alloy hard case and zinc alloy strap. Metal strap and very comfortable to wear German high hardness glass, wear-resisting, compression, imported hot glue and the high quality Japan Movement +Electronic Movement, waterproof effect is very high. Sporty and utilitarian, this wrist watch features a versatile design replete with the best in timepiece technology, including stopwatch, nightlight, alarm, weeks dislay and double time display. As a gift to your family and friends, graduation gifts, birthday gifts, etc.