LED light
Auto light switch, selectable illumination duration, afterglow

World time
29 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off, Home city/World time city swapping

1/1000-second stopwatch
Measuring capacity: 99:59'59.999''
Measuring modes: Elapsed time, lap time, split time
Others: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9)

Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Other: Auto-repeat

5 daily alarms (with 1 snooze alarm)

Hourly time signal

Full auto-calendar (to year 2099)

12/24-hour format

Regular timekeeping
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed)
Digital: Hour, minute, second, pm, month, date, day

Accuracy: ±15 seconds per month

Approx. battery life: 3 years on CR1220