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.
Mineral Glass Shock Resistant 200-meter water resistance Case / bezel material: Resin / Stainless steel Resin Band 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 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 × 16.3 mm Total weight: 72 g LED:White