Casio Retro B640WB-1ADF

LED Backlight
- Afterglow
- Flash alert
- Flashes with buzzer that sounds for alarms, hourly time signal
- 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