CREPHA Digital Solar Urethane Black Men's Watch, Radio-Controlled, Powered, Strap, F-61-450BL

Case size: (approx.) Diameter 45.3 x Thickness 19.0 mm Body weight: (approx.) 58g Power source: Automatic switching between solar power and lithium battery power. Water Resistance/Functions: Enhanced water resistance for daily use (5 ATM water resistance), Radio-controlled clock (compatible with both stations), Radio wave reception function (3 times a day around 12:00 AM, 4:00 AM, and 6:00 PM), Time display (hours, minutes, seconds), 12/24 hour display switching, Calendar display (year, month, day, day of the week), Stopwatch (maximum measurement time: 23 hours 59 minutes 59.99 seconds), Alarm (ON/OFF setting possible), Hourly time signal (ON/OFF setting possible), Countdown timer (setting range: 1 second to 23 hours 59 minutes), Second time zone (another time zone can be set in addition to the normal time), EL light Warranty period: 1 year