Introducing a selection of new designs for the GR-8900 model. The round digital dial is designed with more multi-dimensional depth for a distinctive look. The light button is front mounted and bigger for easier operation. Pressing the button turns on a high-luminosity LED for easy reading in the dark. The Tough Solar power system is designed to generate enough electricity to feed the bright face light and other power-hungry functions.

Shock Resistant (G-SHOCK)
Case / bezel material: Resin / Aluminum
Resin Band
Mineral Glass
Shock Resistant
200-meter water resistance
Full auto LED light (Super Illuminator)
Selectable illumination duration, afterglow
Solar powered
World time
31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off
1/100-second stopwatch
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer
Measuring unit: 1 second
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Battery power indicator
Power Saving (display goes blank to save power when the watch is left in the dark)
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month