From G-SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, come new colors for the G-STEEL lineup that combines different materials. The Bluetooth® connect button, the GST-B100 iconic disk indicator at 9 o’clock, and the G-SHOCK logo are accented with colors that are typical of those seen on high-tech gadgets. The case has a black ion plated (IP) finish, which combines with the edgy GST-B100 design to create a pair of exciting new models.

Case / bezel material: Resin / Stainless steel
Resin Band
Screw Lock Crown
Neobrite
Shock Resistant
Mineral Glass
Black ion plated bezel
200-meter water resistance
Tough Solar (Solar powered)
LED light (Super Illuminator)
Afterglow
Mobile link (Wireless linking using Bluetooth®)
Dual time (Home city time swapping)
1-second stopwatch
Measuring capacity: 23:59'59
Measuring mode: split time
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Daily alarm
Battery level indicator
Power Saving (hands stop to save power when the watch is left in the dark)
Full auto-calendar (to year 2099)
Date display
Day indicator
Regular timekeeping
Analog: 3 hands (hour, minute (hand moves every 10 seconds), second),
3 dials (dual time hour and minute, dual time 24-hour, day)
Accuracy: ±15 seconds per month (with no mobile link function)
Approx. battery operating time:
5 months on rechargeable battery (operation period with normal use without exposure to light after charge)
24 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Size of case : 58.1×53.8×14.1mm
Total weight : 101g