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- Case / bezel material: Resin
- Stainless Steel Band
- Adjustable Clasp
- Resin Glass
- Partial ion plated
- 50-meter water resistance
- 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
Casio Vintage B640WC-5ADF
Specifications
Size of case / Total weight
- Size of case : 38.9×35×9.4mm
- Total weight : 49g