Casio EFA-124D-7AVEF

100M Water Resistant
LED Light with Afterglow
World Time
29 times zones (48 cities), city code display, daylight saving on/off
Daily Alarm
1/100 second digital stopwatch
Measuring capacity: 59'59.99"
Measuring modes: Elapsed time, lap time, split time, 1st-2nd place times
Hourly Time Signal
Auto Calendar (pre-programmed until the year 2099)
12/24 Hour Formats
Accuracy: ±30 seconds per month
Battery SR927W x 2
Approx. battery life: 3 years
Module 4398

Size of case / total weight
EFA124D 40.0 x 36.0 x 11.5mm / 140g