Shock resistant (G-SHOCK)Electro-luminescent backlightFull auto EL light, afterglowSolar poweredWorld time31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split

Shock resistant (G-SHOCK)Electro-luminescent backlightFull auto EL light, afterglowSolar poweredWorld time31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place timesCountdown timerMeasuring unit: 1 secondInput range: 1 minutes to 24 hours (1-minute increments and 1-hour increments)Daily alarms5 independent daily alarms (4 one-time alarms and 1 snooze alarm)Hourly time signalBattery power indicatorPower Saving (turns off the display when the watch is left in the dark)Full auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeeping: Hour, minute, second, pm, month, date, dayAccuracy: ±15 seconds per monthApprox. battery operating time:10 months on rechargeable battery (operation period with normal use without exposure to light after charge) 27 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)Size of case / total weight53.2 X 50.0 X 17.7 mm / 63 g