Spesifikasi G-1200B :
- Mineral Glass / Spherical Glass
- Neobrite
- Shock Resistant
- 200-meter water resistance
- Case / bezel material: Resin / Stainless steel
- Resin Band
- Solar powered
- World time
- 29 time zones (29 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
- 1/100-second stopwatch
- Measuring capacity: 23'59.99''
- Measuring modes: Elapsed time, split time
- Daily alarm
- Low battery alert
- Power Saving (Hands stop to save power when the watch is left in the dark.)
- Full auto-calendar (to year 2099)
- Regular timekeeping
- Analog: 3 hands (hour, minute (hand moves every 10 seconds), second),
- 3 dials (24-hour, world time hour and minutes, day)
- Accuracy: ±15 seconds per month
- Approx. battery operating time:
- 5 months on rechargeable battery (operation period with normal use without exposure to light after full charge)
- 26 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
- Size of case: 52.5 × 49.8 × 15.5 mm
- Total weight: 74 g