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The A100 series with a unisex design and a stylish retro look.


The A100 series is a reproduction of the F-100, the first model to sport a resin case from CASIO. The design has been updated to be a more modern version while retaining the F-100's distinctive four front button layout.


Features and functions include automatic calendar, stopwatch, water resistance and au LED light for easy reading in the dark.


  • Case size: 40.7×32.7×9.2mm
  • Adjustable clasp
  • Stainless steel strap
  • Resin glass
  • Water resistant
  • LED backlight
  • 1/10th second stopwatch
  • Measuring capacity : 59'59.9''
  • Measurement modes : Elapsed time
  • Daily alarms
  • Time passing signal
  • Automatic calendar (28 days for February)
  • Current analog hour: Hour, minute, second, pm, month, date, day
  • Accuracy : +/- 30 seconds per month
  • Approximate battery life: 3 years on CR1616
  • Total weight: 53g


  • Free shipping for orders of $75 or more. (Canada only)

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