Casio Ana-Digi AMW-S820 Watches


About AMW-S820 in Short. Casio’s slim, light weight structure and Medium sized dial in Neat Blue colour with crisp details. This Tough Solar Watch has features including world time, stopwatch, etc.


General Information

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Year of First Release2017
Model RangeCasio Ana-Digi
Battery Type Solar (Casio Batteries)
Manual5208 (official)

AMW-S820 Model Range *may be updated

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Official AMW-S820 Specs / Features *for base version AMW-S820-1

  • Case / bezel material: Stainless steel
  • Resin Band
  • Mineral Glass
  • 50-meter water resistance
  • LED light (LCD part only)
    Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
  • Solar powered
  • World time
    31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
  • 1/100-second stopwatch
    Measuring capacity: 59’59.99”
    Measuring modes: Elapsed time, split time
  • 2 countdown timers
    Can be used during interval training that alternates between two different paces.
    Measuring unit: 1 second
    Input range: 00’05” to 99’55” (1-minute increments and 5-second increments)
    Other: Number of repeats settable from 1 to 10
  • 5 daily alarms
  • Hourly time signal
  • Battery power indicator
  • Power Saving (display goes blank to save power when the watch is left in the dark)
  • Full auto-calendar (to year 2099)
  • 12/24-hour format
  • Button operation tone on/off
  • Regular timekeeping
    Analog: 2 hands (hour, minute (hand move every 20 seconds))
    Digital: Hour, minute, second, pm, month, day, 6-language day of the week indicator (English, Portuguese, Spanish, French, German, Italian)
  • Accuracy: ±30 seconds per month
  • Approx. battery operating time:
    10 months on rechargeable battery (operation period with normal use without exposure to light after charge)
    23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
  • Size of case : 46.5×41.1×9.1mm
  • Total weight : 61g

You ask, we answer…

What battery does AMW-S820 have?

Solar charging.

What type of glass does AMW-S820 have?

Mineral glass.

What stopwatch does AMW-S820 have?

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