Who says tough has to be basic? This Tough Solar GS100 watch features a gold ion plated bezel for a distinctive look that elevates the style of your sport. Luminous hands and deposition coated hour markers receive the same elegant gold-tone finish. Built to withstand your toughest workout with a solar battery that lasts eight months without additional light.

• Shock and magnetic resistant
• 200m water resistance
• Solar powered
• Double LED light
• LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration, afterglow)
• LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration, afterglow)
• World time
  • 31 time zones (48 cities coordinated universal time), daylight saving on/off
• 1/100-second stopwatch
  • Measuring capacity: 59'59.99''
  • Measuring modes: Elapsed time, split time, 1st-2nd place times
• Countdown timer
  • Measuring unit: 1 second
  • Countdown range: 100 minutes
  • Countdown start time setting range: 1 second to 100 minutes (1-second increments, 1-minute increments)
• 5 daily alarms
• Hourly time signal
• Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
• 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
• Regular timekeeping
  • Analog: 2 hands (hour, minute)
  • Digital: Hour, minute, second, pm, date, day
• Accuracy: ±15 seconds per month
• Approx. battery operating time:
  • ·8 months on rechargeable battery (operation period with normal use without exposure to light after charge)
  • ·19 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
• Module: 5445
• Size of case / total weight: 55.1 x 52.5 x 16.7 mm / 72 g