The first analog G-Steel to offer chronograph functions, this GSTB100 model is equipped with all the features to push through your toughest day. Powered by solar light, the sub-dial at 9:00 indicates battery level and alarm on/off setting with a rotating disk. High density mounting technology allows for a smaller, thinner module for a better fit to the wrist. Equipped with Bluetooth, connect to your smartphone with a touch of a button and enjoy accurate timekeeping no matter where in the world you may be.

• Shock resistant
• 200m water resistant
• 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)
• module 5513
• Size of case/total weight:58.1 x 53.8 x 14.1 mm/185 g