High performance timekeeping in a simple straightforward design from the G-Shock GWM500 series with Atomic timekeeping of 48 world cities. Seen here in black all with multi-band 6 atomic timekeeping and countdown timer.

• Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China) Receives time calibration radio signals which keep the displayed time accurate Auto receive function (up to 6 times per day/up to 5 times per day for China) Manual receive function Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, China BPC 68.5kHz
• Tough Solar Power
• Shock Resistant
• 200M Water Resistant
• Full Auto EL Backlight with Afterglow
• World Time 31 times zones (48 cities UTC), city code display, daylight saving on/off
• 4 Daily alarms and 1 Snooze Alarm
• Hourly time signal
• 1/100 second stopwatch
• Measuring capacity: 23:59'59.99"
• Measuring mode: Elapsed time, split time, 1st-2nd place times
• Countdown Timer
• Input range: 1 minute to 24 hours (1-minute incremants and 1-hour increments)
• Full auto-calendar (pre-programmed until the year 2099)
• 12/24 hour formats
• Button operation tone on/off
• Accuracy: /- 15 seconds per month (with no signal calibration)
• Battery power indicator
• Power saving function
• Storage battery: Solar rechargeable battery
• Approx. battery life: 9 months on full charge (without further exposure to light)
• Module: 3405