World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping Stopwatch 1/100-second stopwatch Measuring capacity: 999:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Timer Countdown timer Measuring unit: 1 second Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Alarm/hourly time signal 5 daily alarms (with 1 snooze alarm) Hourly time signal Light LED light (Super Illuminator) Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light color LED:White Calendar Full auto-calendar (to year 2099) Mute feature Button operation tone on/off Accuracy Accuracy: ±15 seconds per month Other features 12/24-hour format Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (stopwatch indicator) Digital: Hour, minute, second, pm, month, date, day