Casio SDB-100-4ADF

50M Water Resistant
Auto LED Light with afterglow
Dual Time
4 Daily Alarms and 1 Snooze Alarm
Hourly Time Signal
1/100 second stopwatch
Measuring unit: 1/100 second (lower display for the first 60 minutes, center display for the first 10 hours), 1 second (lower display after 60 minutes, center display after 10 hours); 0.1 mile or km
Measuring capacity: 99:59'59"; 99.9 miles or km (total distance covered)
Measuring modes: Elapsed time, lap/split time
Memory capacity: Up to 61 lap/split numbers and times; total distance covered
Input data: Stride length 40 to 190cm (16 to 76 inches)
Pace signal
Countdown Timer
Measuring unit: 1 second
Countdown range: 1 minute to 100 hours
Other: Auto-repeat function
Full Auto Calendar (pre-programmed until the year 2039)
12/24 Hour Formats
Accuracy: +/-15 seconds per month
Battery CR2025
Approx. battery life: 10 years
Module 3257
Size of case / total weight
43.9 x 35.1 x 11.4mm / 29g