G-Shock GA-1000-4B Revolutionary

Approximately 2 years (+/-15 seconds per month)

Mineral spherical crystal

Neon illuminator (auto LED light, super illuminator, afterglow)

Resin / stainless steel case with resin band

200m

Thickness: 16.9 mm
Diameter: 50.8 mm
Length: 52.1 mm

Shock resistant
Digital compass (0° to 359°)
Thermometer (-10°C to 60°C)
World time (31 time zones)
1/100-second stopwatch
Countdown timer
5 daily alarms
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping (analog-digital display)