Introducing the GSTB400X-1A4, the newest model of the slim G-STEEL GSTB400 series. The GSTB400X-1A4 sports a lightweight yet tough carbon bezel, which is a combination of carbon fiber reinforced resin and carbon sheets. This stylishly stealthy timepiece is styled with a black resin band and a black IP case with red accents.
- Case / bezel material: Resin / Stainless steel
- Resin Band
- Mineral Glass
- Neobrite
- Shock Resistant
- Carbon Core Guard structure
- 200-meter water resistance
- Shock resistant (G-SHOCK)
- Tough Solar (Solar powered)
- Double LED light
- LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
- LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds),afterglow)
- Mobile link (Wireless linking using Bluetooth®）
- Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents)
- 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
- Countdown range: 60 minutes
- Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments)
- 5 daily alarms
- Hourly time signal
- Battery level indicator
- Power Saving (display goes blank to save power when the watch is left in the dark)
- Full auto-calendar (to year 2099)
- 12/24-hour format
- Button operation tone on/off
- Date/month display swapping
- Day display (days of the week selectable in six languages)
- Regular timekeeping
- Analog: 2 hands (Hour, minute (hand moves every 20 seconds))
- 1 dial (battery level, mode)
- Digital: Hour, minute, second, pm, month, date, day
- Accuracy: ±15 seconds per month (with no mobile link function)
- Approx. battery operating time:
- 7 months on rechargeable battery (operation period with normal use without exposure to light after charge)
- 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Size of case / Total weight
- Size of case : 46.6×49.6×12.9mm
- Total weight : 80g
