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

Basic Information

• 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)

Exterior

• Glass

  Mineral Glass

Watch Features

• World time

  World Time
  31 times zones (48 cities UTC), city code display, daylight saving on/off

• Stopwatch

  1/100-second stopwatch
  Measuring capacity: 23:59'59.99''
  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