CASIO WATCH B640WC-5A

CASIO B640WC-5A

Features
• 1/100-second stopwatch
• 50-meter water resistance
• Popular retro design
• LED Backlight

Specifications
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