Casio G-SHOCK GWM500A-1 Wrist Watch

• 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
• Hourly Time Signal
• Measuring capacity: 23:59'59.99"
• Measuring Mode: Elapsed Time Split Time 1st-2nd Place Times
• Accuracy: +/- 15 seconds per month (with no signal calibration)
• Battery Power Indicator
• Power Saving Function
• Storage Battery: Solar Rechargeable Battery

As an upgrade to it's predecessors the new GWM500 add the ability to connect with the radio transmitter in China to update the watchs' time & date in addition to adding an additional 18 cities added to the world time mode for a total of 48-cities. The watchs' time memo function has been replaced with a countdown timer. Black resin band digital watch with neutral face.