CASIO B640

Description

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

Specifications:

• 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

Additional information