G-SHOCK, the watch that sets the standard in terms of robustness and precision. 
Tough Solar Power
Shock Resistant
200M Water Resistant
Mud-Resistant
Full Auto EL Backlight with Afterglow
World Time 31 times zones (48 cities + UTC), city code display, daylight saving on/off
4 Daily alarms and 1 Snooze Alarm
Hourly time signal
 1/100 second stop watch
 Measuring capacity: 23:59'59.99”
 Measuring mode: Elapsed time, split time, 1st-2nd place times
 Countdown Timer
 Measuring unit: 1 second
 Countdown Range: 24 hours
 Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Full auto-calendar (pre-programmed until the year 2099)
12/24 hour formats
Button operation tone on/off
Accuracy: +/- 15 seconds per month
Battery power indicator
Power-saving function
Storage battery: Solar rechargeable battery
Approx. battery life: 11 months on full charge (without further exposure to light)
Module: 3221
Band Length: 150mm - 220mm
GX56BB 55.5 x 53.6 x 17.5mm / 88g