G-Shock GR8900A-1 watch by Casio. Shock resistant. 200M water resistant. Full auto LED backlight (Super Illuminator) with afterglow. World time: 31 time zones (48 cities + UTC), city code display, daylight saving on/off. 5 Independent daily alarms (4 one-time alarms & 1 snooze alarm). Hourly time signal. 1/100 Second stopwatch. Countdown timer. Full auto calendar (pre-programmed until the year 2099). 12/24 hour formats. Approx. battery life: 3 years. Module 3285. Imported.