Casio G-Shock GA-B2100-1ADR

Carbon core guard structure
- 200-meter water resistance
- World time
- 38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, home city/world time city swapping
- 1/100-second stopwatch
Measuring capacity:
- 00'00''00~59'59''99 (for the first 60 minutes)
- 1:00'00~23:59'59 (after 60 minutes)
Measuring unit:
- 1/100 second (for the first 60 minutes)
- 1 second (after 60 minutes)
- Measuring modes: Elapsed time, lap/split time
- Countdown timer
- Measuring unit: 1 second