Japanese Quartz Movement. Stopwatch, Timer, Alarm, Flash Alert and Automatic Calendar Functions.48.9mm x 42.8mm x 13.4mm Black Resin and Stainless Steel Square Case. Characteristic Shock-Proof Case with Easy to Press Button ArrangementMetallic Gold Mirror Face Digital Dial with Scratch Resistant Mineral Crystal.27mm Black Resin Strap with Stainless Steel Pin BuckleWater Resistant to 200 Metres 20ATM