Based on the popular Tough Solar model, G2310 introduced back in 2001, G-Shock introduces a new Solar Atomic version, the GW2310. Now updated with Multi-Band Atomic Timekeeping, it’s more powerful than ever while retaining the classic, utilitarian case shape of its predecessor for clean yet rugged styling. • Solar Powered • Multi-Band 6 Atomic Timekeeping • 48-city World Time + UTC • Classic Utilitarian Case Design
Case size (L× W× H):52.5 × 46.4 × 15.6 mm
Weight:69 g
Case and bezel material:Resin / Stainless steel
Band:Resin Band
Construction:Shock Resistant
Water resistance:200-meter water resistance
Time adjustment:Radio-controlled Watch
Multi band 6
Power supply and battery life:Storage battery: Solar rechargeable battery,Tough Solar (Solar powered)
Glass:Mineral Glass
World time:World Time
31 times zones (48 cities + UTC), city code display, daylight saving on/off
Stopwatch:1/100-second stopwatch
Measuring capacity: 23:59.99\u0027\u0027
Measuring modes: Elapsed time, split time, 1st-2nd place times
Timer:Countdown timer
Measuring unit: 1 second
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Alarm/hourly time signal:4 Daily alarms and 1 Snooze Alarm,Hourly time signal
Light:Electro-luminescent backlight
Full auto EL light, afterglow
Light color:EL:Blue Green
Calendar:Full auto-calendar (pre-programmed until the year 2099)
Mute feature:Button operation tone on/off
Energy saving feature:Power Saving
Battery display/alert:Battery power indicator
Run time:Approx. battery life: 10 months on full charge (without further exposure to light)
Accuracy:Accuracy: ±15 seconds per month
Other features:12/24-hour format
Time adjustment details: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