Casio Men's Digital Japanese Quartz Watch with Resin Strap GW2310-1
Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China), Tough Solar Power, Shock Resistant, 200M Water Resistant
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
1/100 second stopwatch, Countdown Timer, Full auto-calendar (pre-programmed until the year 2099), 12/24 hour formats, Button operation tone on/off
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
Accuracy at normal temperature: ±15 seconds a month