Klefer Men's Digital Watch, Radio-Controlled, Solar Powered, Rechargeable, Urethane Strap, Black, F-63-504SV

Case Size: (Approx.) Diameter 45.5mm x Thickness 17.5mm Weight: (Approx.) 52g Power Source: Solar-powered or Lithium-ion battery automatic switching Water Resistance/Functions: Enhanced water resistance for everyday use (5 bar), Radio-controlled watch (compatible with both stations), Radio wave reception (3 times per day at approximately midnight, 4am, and 6pm), Time display (hours, minutes, seconds), 12/24 hour display switching, Calendar display (year, month, day, day of the week), Stopwatch (Measurement time: 23 hours, 59 minutes, 59 seconds, 99), Alarm (ON/OFF configurable), Hourly time signal (ON/OFF configurable), Countdown timer (Setting range: 1 second to 23 hours, 59 minutes), Second time (Can be set separately from the standard time), EL light Warranty Period: 1 year