Revel in eclectic sophistication with the G-Steel fusion of metal and resin components in a popular all-black Casio G-Shock watch. Tough construction meets stylish design in a black ion-plated metal bezel set against a base of jet black. With its slim combination module and Carbon Core Guard structure, the black-on-black take of the GSTB400 is a cool fashion statement ready for whatever you are.
Case/bezel material: Resin/Stainless steel
Black ion plated case
Black resin band
Mineral Glass
Neobrite
Shock Resistant
Carbon Core Guard structure
200-meter water resistance
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
Countdown timer
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
Mute feature: 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)
Case Size: 46.6 × 49.6 × 12.9 mm
