Back to top

Please select a color/color.


  • Multi-band atomic timekeeping (in the U.S., U.K., Germany, Japan, China) receives time-calibrating radio signals up to six times per day (five times per day in China)
  • Tough solar power technology eliminates the need to ever change a battery; built-in solar panel converts sunlight and fluorescent light into energy
  • Shock-resistant case resists water down to 200m (660 ft.)
  • Auto EL backlight with afterglow lets you see the display in the dark
  • World Time features 31 times zones, 48 cities, city code display and daylight saving on/off
  • Four daily alarms; snooze; stopwatch; hourly chime; countdown timer; auto calendar
  • 1/100-second stopwatch measures elapsed time, split time and 1st-place/2nd-place times
  • The Casio G-Shock GW2310-1 Atomic Solar watch features a battery that lasts up to 10 mos. on a full charge without further exposure to light


member bonus card image

Members, earn a $20 bonus card when you spend $100 or more Jan. 13–23

Single-use bonus card redeemable Jan. 27–Feb. 6, 2017. Details

View all Casio Digital Watches

REI membership


Best Use Multisport
Analog Or Digital Digital
Date Display Yes
Illumination Backlight
Water-Resistant Depth 200 meters
Stopwatch Yes
Lap Timer Yes
Countdown Timer Yes
Alarm Yes
Multiple Time Zones Yes
Solar-Powered Yes
Construction Resin
Watch Band Material Resin
Face Diameter 1.125 inches
Gender Men's