55 x 52 x 18.3 mm

Shock Resistant

Magnetic Resistant

200m Water Resistant

LED Light (Super Illuminator)

Selectable illumination duration

(1.5 seconds or 3 seconds), afterglow

World Time 31
times zones (48 cities + coordinated
universal time),
one touch UTC time zone, daylight saving on/off

1/1000 second stop watch

Countdown Timer 
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, Countdown timer
Measuring unit: 1 second
Input range: 1 minnute to 60 minutes (1-minute increments)

5 daily alarms (with 1 snooze alarm)

Hourly time signal

Low battery warning (A warning appears on the display whenever battery power drops below a certain level.)

Full Auto Calendar (pre-programmed until

the year 2099)

12/24 Hour Formats

Button operation tone on/off

Accuracy: +/- 15 seconds per month

Approx, battery life: 3 years

Module 5398