Accuracy Accuracy: ±15 seconds per month Alarm/hourly time signal 5 daily alarms (with 1 snooze alarm)Hourly time signal Battery display alert Low battery alert Calendar Full auto-calendar (to year 2099) Light LED backlight (Super Illuminator)Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow Mute feature Button operation tone on/off Other features 12/24-hour formatRegular timekeeping:Analog: 3 hands (hour, minute (hand moves every 10 seconds), second)Digital: Hour, minute, second, pm, month, date, day Stopwatch 1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place times Timer Countdown timerMeasuring unit: 1 secondCountdown range: 60 minutesCountdown start time setting range: 1 minute to 60 minutes (1-minute increments) World time World time31 time zones (48 cities + coordinated universal time), daylight saving on/off
