CASIO Digital Classic Men's Watch B640WD-1A

• LED Backlight

Afterglow

• Flash alert

Flashes with buzzer that sounds for alarms, hourly time signal

• 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 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