From G-SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, come new bi-color molded models with a sporty mix design theme. With these models, basic black brand coloring is highlighted by striking colors that are often used for high-tech sneakers and other fashion motifs. Yellow resin is molded onto the inside of the band, and each model also uses yellow for other components.
 
Shock Resistant
Magnetic Resistant
200 Meter Water Resistant
Auto LED Light with Afterglow
World Time
29 times zones (48 cities + UTC), daylight saving on/off, home city/world time swapping
4 Daily Alarms and 1 Snooze Alarm
Hourly Time Signal
1/1000 Second Stopwatch
Measuring modes: Elapsed time, lap time, split time
Others: Speed (0-1998 units/hour), Selection distance input (0.0-99.9)
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
Full auto-calendar (pre-programmed until the year 2099)
12/24 Hour Formats
Accuracy: ± 15 seconds per month
Battery: CR1220
Approx. battery life: 2 years
Module 5081
Size of case/total weight GA100BY 55.0 x 51.2 x 16.9mm / 70g