Japanese Quartz Movement. Stopwatch, Timer, Alarm, Flash Alert and Auto-Calendar Functions.48.5mm x 46.5mm x 16.3mm Matte Black Resin and Stainless Steel Case. Characteristic Shock-Proof Case with Easy to Press Button ArrangementBlack Digital Display with Rose Gold Accents and Scratch Resistant Mineral Crystal.25mm Matte Black Resin Strap with Pin BuckleWater Resistant to 100 Metres 10ATM