Casio Men's WVA-M640-1ACR Solar Powered Wave Ceptor Stainless Steel Watch with Black Resin Band Solar-powered ana-digi watch that receives time-calibration radio signals to maintain accuracy Features multi-band atomic timekeeping, LED light with after-glow, luminous hands and markers, world time, 29 time zones, city code display, Daylight Saving on/off, day-of-week display in five languages, five daily alarms, hourly time signal, 1/100-second stopwatch, countdown timer, full auto calendar, and 12/24-hour formats The watch needs to be fully charged in direct sunlight before trying to use. Also, the Home City must be selected for the item to work correctly. Resin band with buckle closure Water resistant to 100 m (330 ft)