Casio Retro Steel Glitter B640WDG-7DF

1/100-second stopwatch
Measuring capacity:
00'00"00~59'59"99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, split time, 1st-2nd place times

Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Other: Auto-repeat

Multi-function alarm

Hourly time signal

Full auto-calendar (to the year 2039)

12/24-hour format

Regular timekeeping: Hour, minute, second, pm, month, date, day

Accuracy: ±30 seconds per month

Approx. battery life: 3 years on CR2016

Size of case: 38.9×35×9.9mm

Total weight: 49g