This new Casio G-Shock is equipped with a stealth black, utilitarian design paired with reliable Multi-Band Atomic timekeeping and tough solar power technology.

• 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 (660 Feet)
• Black IP Stainless Steel Bezel
• Full Auto EL Back-light 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
  • Measuring unit: 1 second
  • Input range: 1 minute to 24 hours (1-minute increments 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
• Storage battery: Solar rechargeable battery
• Battery power indicator
• Power saving function
• Approx. battery life: 10 months on full charge (without further exposure to light)
• Module: 3195
• Size of case / total weight: GW2310 52.5 x 46.4 x 15.6mm / 69g