Casio G-Shock Chronograph Alarm Black GA-100-1A1ER Men's WatchCore features of the watch: A large 51. 2 mm diameter shock resistant case protects The watch features 200m water resistance. Low temperature resistance for added protection The model features a reverse LCD display, a hand shift function, a stopwatch, a velocity indicator and a world time function. The model also benefits from 5 alarms with a snooze function, a countdown timer, an automatic calendar and 100 lap memory lap timer. This line has a new