GA-2100-1A1DR
Bold, minimalist, and built for toughness — the Casio G-SHOCK GA-2100-1A1DR is a modern reinterpretation of the iconic first-generation DW-5000C. Featuring the signature octagonal bezel in an all-black colorway, this analog-digital watch fuses heritage design with contemporary engineering. Its ultra-slim 11.8mm carbon core guard structure keeps it light yet rugged, offering shock resistance and 200-meter water resistance. Equipped with world time, stopwatch, countdown timer, dual LED lighting, and five alarms, it’s a reliable companion for everyday wear and urban adventure.
Case size (L×W×H): 48.5 × 45.4 × 11.8 mm
Weight: 51 g
Case and bezel material: Carbon / Resin
Band: Resin band
Shock Resistance: Yes
Carbon Core Guard Structure: Yes
Water Resistance: 200-meter water resistance
Glass: Mineral Glass
LED Light:
Face: Super illuminator with selectable illumination duration (1.5 or 3 seconds), afterglow
Backlight: LED for digital display with selectable illumination duration (1.5 or 3 seconds), afterglow
Hand Shift Feature: Moves hands out of the way for a clear view of the digital display
World Time: 31 time zones (48 cities + UTC), DST on/off
Stopwatch:
1/100-second, measuring limit of 23:59'59.99"
Measuring modes: Elapsed time, split time, first and second place times
Countdown Timer:
Range: 24 hours, adjustable in 1-second, 1-minute, and 1-hour increments
Alarms: 5 daily alarms, hourly time signal
Calendar: Full auto-calendar (to year 2099)
Time Format: 12/24-hour format
Button Operation Sound: On/Off option
Timekeeping:
Analog: 2 hands (hour, minute), 1 dial (day)
Digital: Hour, minute, second, pm, month, date
Accuracy: ±15 seconds per month
Battery Life: Approx. 3 years on SR726W × 2