Power supply and battery life: Approx. battery life: 3 years on SR726W X 2
Country Of Origin: Thailand
Glass: Mineral Glass
Surface treatment: Black ion plated bezel
World time: 31 time zones (48 cities + coordinated universal time), daylight saving on/off
Stopwatch: 1/100-second stopwatch
Timer: Countdown timer
Alarm/hourly time signal: 5 daily alarms | Hourly time signal
Light: Double LED light | LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) | LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED: White
Calendar: Full auto-calendar (to year 2099)
Mute feature: Button operation tone on/off
Accuracy: ±15 seconds per month
Compatible band size: 145 to 215 mm
Case size (L× W× H): 49.3 × 44.4 × 11.8 mm
Watch Size Chart
Ratings & Reviews of Casio G-Shock GM-2100BB-1A Analog-Digital Men’s Watch