Original Watch

World time

31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off

Stopwatch

1/100-second stopwatch

Measuring capacity: 23:59'59.99''

Measuring modes: Elapsed time, split time, 1st-2nd place times

Timer

Countdown timer

Measuring unit: 1 second

Countdown range: 60 minutes

Countdown start time setting range: 1 to 60 minutes (1-minute increments)

Alarm/hourly time signal

5 daily alarms (with 1 snooze alarm)

Hourly time signal

Light

Neon Illuminator (Black light LED)

Auto light switch, selectable illumination duration, afterglow

Light color

LED:Neon Illuminator (Blacklight LED)

Calendar

Full auto-calendar (to year 2099)

Mute feature

Button operation tone on/off

Battery display/alert

Low battery warning

Accuracy

Accuracy: ±15 seconds per month

Other features

12/24-hour format

Regular timekeeping:

Analog: 3 hands (hour, minute (hand moves every 10 seconds), second)

Digital: Hour, minute, second, pm, month, date, day