Technical Specs :

Tough Solar Power Atomic Timekeeping Receives time calibration radio signals which keep the displayed time accurate Auto receive function (4 times per day) Manual receive function Signal: WWVB, Frequency: 60kHz Shock Resistant 200 meter water resistant World time 29 time zones (30 cities) Daylight saving on/off Auto electro-luminescent backlight with afterglow 1/100-second stopwatch Measuring capacity: 23:59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times 4 daily alarms & 1 snooze alarm Hourly time signal Auto-calendar (pre-programmed until the year 2099) 12/24-hour format Accuracy:;15 seconds per month (with no signal calibration) Time Recorder Memory capacity: 30 records (each record contains month, day, hour, minutes, seconds) Storage Battery CTL1616 Battery Power Indicator Power Saving Function Approx. battery life: 11 months on full charge (without further exposure to light) Module 2688 1 Year Seller Warranty Size of case/total weight 54.1 x 46.6 x 15.3mm / 67g With box andmanual