Japanese Quartz Movement. Stopwatch, Timer, Alarm, Flash Alert and Auto-Calendar Functions.48.9mm x 42.8mm x 13.4mm Square Translucent Blue Resin and Stainless Steel Case. Characteristic Shock-Proof Case with Easy to Press Button ArrangementBlue Digital Dial with Scratch Resistant Mineral Glass.25mm Translucent Blue Resin Strap with Stainless Steel Pin BuckleWater Resistant to 200 Metres 20ATM