G-Shock Men's Watch G-Shock Youth Culture G-306X-1ADR - WW EL backlight with afterglow World Time: 29 time zones (27 cities), city code display, daylight saving on/off 4 daily alarms & 1 snooze alarm Countdown timer, 1/100 second stopwatch Battery: SR927W x 2; approx. battery life: 2 years