Baby-G Reef Code : BGR-270-4CDR Band : Resin Movement : Digital Size : Ladies Water Resistant : 100m Features: Shock resistant Electro-luminescent backlightFull auto EL light Solar powered Low temperature resistant (-10?C) Data BankMemory capacity: Up to 30 sets of data, each set including Name (8 characters) and telephone number (12 digits)Other: Auto-sort World time29 time zones (27 cities), city code display, daylight saving on/off 1/100-second stopwatchMeasuring capacity: 59\'59.99\'\'Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timerMeasuring unit: 1 secondCountdown range: 100 hoursCountdown start time setting range: 1 minute to 100 hours (1-minute increments and 1-hour increments)Other: Auto-repeat Daily alarms5 independent daily alarms (4 one-time alarms and 1 snooze alarm) Hourly time signal Battery power indicator Power Saving (Turns off the display when the watch is left in the dark) Auto-calendar (to year 2039) 12/24-hour format Regular timekeeping: Hour, minutes, seconds, am/pm, month, date, day Accuracy: +/-15 seconds per month Approx. battery operating time: 12 months on Rechargeable Battery (Operating period with normal use without exposure to light after full charge) 26 months on Rechargeable Battery (Operating period when stored in total darkness with the Power Save function ON after full charge)