Case size: (approx.) diameter 45.3 x thickness 19.0 mm
Body weight: (approx.) 58 g
Drive: Solar drive and lithium drive automatic switching
Waterproof/Function: Daily life enhanced waterproofing (5 ATM water resistant), radio clock (compatible with both stations), radio reception function (3 times a day around midnight, 4 am, 6 pm), time display (hours, minutes, seconds), 12/24 Time display switching, calendar display (year, month, date, day of the week), stopwatch (measurement time: 23 hours, 59 minutes, 59 seconds, 99 seconds), alarm (ON/OFF setting possible), time signal (ON/OFF setting possible), countdown timer (setting range: 1 second to 23 hours 59 minutes), second time (another time can be set apart from the normal time), EL light Warranty period: 1 year