Casio Ana-Digi AMW-840 Watches


About AMW-840 in Short. Casio analog-digital watch with 10 year battery life, 50 meter water resistance, world time (30 cities), LED light and Telememo up to 30 sets of data.


General Information

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Year of First Release2018
Model RangeCasio Ana-Digi
Battery Type CR2025 (Casio Batteries)
Manual5574 (official)

AMW-840 Model Range *may be updated

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Official AMW-840 Specs / Features *for base version AMW-840-1

  • Case / bezel material: Stainless steel
  • Resin Band
  • Mineral Glass
  • 50-meter water resistance
  • LED light
    Afterglow
  • Telememo
    Memory capacity: Up to 30 sets of data, with 8-character name and 16-digit telephone number
    Others: Remaining memory screen, auto-sort
  • World time
    29 time zones (30 cities), daylight saving on/off
  • 1/100-second stopwatch
    Measuring capacity: 23:59’59.99”
    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 minute to 24 hours (1-minute increments and 1-hour increments)
  • 3 daily alarms (with 1 snooze alarm)
  • Hourly time signal
  • Full auto-calendar (to year 2099)
  • 12/24-hour format
  • Regular timekeeping
    Analog: 2 hands (hour, minute (hands move every 20 seconds))
    Digital: Hour, minute, second, am/pm, month, date, day
  • Accuracy: ±30 seconds per month
  • Approx. battery life: 10 years on CR2025
  • Size of case : 50.4×46×11.9mm
  • Total weight : 95g

You ask, we answer…

What battery does AMW-840 have?

10 years CR2025.

What type of glass does AMW-840 have?

Mineral glass.

What stopwatch does AMW-840 have?

It has 1/100-second stopwatch with measuring capacity: 23:59’59.99”