Casio G-Shock [GA-100BEG-1ADR]

Bold, dynamic, electric — Tap into the energy of a G-SHOCK in striking black and electro green. Featuring an LCD printed with touches of electro green, set against a bezel, band, and dial in G-SHOCK black, this is a fearless visual design that impresses and electrifies. Press the light button to illuminate the digital display and ensure an easy read even in the dark. Bring in a cool, modern look with the sharp, stylish contrast of electro green against timeless black.

Dimensions & Build
Case Size: 55 × 51.2 × 16.9 mm
Weight: 72 g
Band: Resin Band
Compatible band size: 145 to 215 mm
Glass: Mineral Glass
Construction: Shock & magnetic Resistant
Water Resistance: 200-meter water resistant

Power & Battery
Battery Life: Approx. 2 years on CR1220

Light
Light: LED light, auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Light color: Amber

Stopwatch
Stopwatch: 1/1000-second stopwatch
Measuring capacity: 99:59'59.999''
Measuring mode: Elapsed time, lap time, split time
Others: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9)
Mach indicator (speed exceeding 1225 units/hour)
Alarms: 5 daily alarms (with 1 snooze alarm), hourly time signal

Timer
Timer: Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Other: Auto-repeat

Timekeeping & Accuracy
Time Format: 12/24-hour format
Timekeeping: Regular timekeeping
Accuracy: ±15 seconds per month
Calendar: Full auto-calendar (to year 2099)
Analog: 2 hands (hour, minute (hand moves every 20 seconds), 1 dial (speed)
Digital: Hour, minute, second, pm, month, date, day