• Multi-Band Atomic Timekeeping (US, UK, Germany, Japan)
  Receives time calibration radio signals which keep the displayed time accurate
  Auto receive function (6 times per day)
  Manual receive function
  Signal:  US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60
  Frequency:  US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz
• Tough Solar Power
• Shock Resistant
• 200M Water Resistant
• Auto EL Backlight with Afterglow
• World Time
  29 times zones (48 cities), city code display, daylight saving on/off
• 5 Daily Alarms (1 with snooze)
• Countdown Timer
  Measuring unit: 1/10 second
  Countdown range: 1 minute to 60 minutes
• 1/100 second stopwatch
  Measuring capacity: 999:59'59.99"
  Measuring modes: Elapsed time, split time, 1st-2nd place times
• Hourly Time Signal
• Auto Calendar (pre-programmed until the year 2099)
• 12/24 Hour Formats
• Accuracy: ±15 seconds per month (with no signal calibration)
• Storage Battery CTL1616
• Battery Power Indicator
• Power Saving Function
• Approx. battery life: 9 months on full charge (without further exposure to light)
• Module 3061

Size of case/total weight
GW800 51.5 x 42.5 x 13.9mm / 56g
GW800D 51.5 x 42.5 x 13.9mm / 132g