Multi-Band Atomic Timekeeping (US UK Germany Japan China) Tough Solar Power Shock Resistant 200M Water Resistant</br>Full Auto EL Backlight 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</br>1/100 second stopwatch Countdown Timer Full auto-calendar (pre-programmed until the year 2099) 12/24 hour formats Button operation tone on/off</br>Storage battery: Solar rechargeable battery Battery power indicator Power saving function Approx. battery life: 10 months on full charge (without further exposure to light)</br>Module: 3195</br></br>Product Description</br></br>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 its more powerful than ever while retaining the classic utilitarian case shape of its predecessor for clean yet rugged styling.</br></br>Amazon.com</br></br>Innovative technology combines with classic sport styling to bring you the Casio Men's G-Shock Solar Atomic Watch. With helpful text lining the black resin bezel?? it's easy to program handy functions like the stopwatch?? countdown timer?? five alarms?? World Time with 31 time zones?? and 12- and 24-hour formats. You'll love the convenient solar-powered battery?? which can operate for up to 10 months on a full charge. A bright EL backlight automatically turns on with the movement of