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.
Case / bezel material: Resin / Aluminum
200-meter water resistance
Full auto LED light (Super Illuminator)
Selectable illumination duration, afterglow
31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
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)
Button operation tone on/off
Regular timekeeping: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month
Approx. battery operating time:
12 months on rechargeable battery (operation period with normal use without exposure to light after charge)
34 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Size of case : 55.1×52.5×16.3mm
Total weight : 69g