55 x 52 x 16.9 mm

Shock Resistant

Magnetic Resistant

200m Water Resistant

Auto LED Light with Afterglow

World Time 
29 times zones (48 cities + UTC), daylight saving on/off, home city/world time swapping

4 Daily Alarms and 1 Snooze Alarm

Hourly Time Signal

1/1000 second stop watch

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

Full Auto Calendar (pre-programmed until the year 2099)

12/24 Hour Formats

Button operation tone on/off

Accuracy: +/- 15 seconds per month

Battery: CR1220

Approx, battery life: 2 years

Module 5146