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Casio AQ-S820W-3B

Photos - Wrist Watch Casio AQ-S820W-3B
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Casio Solar Series Multifunction (50.1mm) Black Dial / Green Watch Green,Black AQ-S820W-3BVEF

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Casio AQ-S820W-3B
Main
Gendermen's
Country of originJapan
Mechanism
Movement typequartz
Calibermodule 5745
Accuracy+/- 30 s/month
Power sourcesolar battery
Power reserve indicatior
Dial
Dial typemixed
Type of indexmarks + arabic
Colourblack
Backlightluminous / electronic
Featuresalarm / 5 /
stopwatch
timer
day of the week
date
month
world time / 31 time zones /
Case and strap
Case shaperound
Case materialplastic
Colourgreen with black
Glass materialplastic
Straprubber strap
Strap colourgreen
Claspclassic (with buckle)
General specs
Waterproof100 WR / 10 ATM
Diameter (width)50 mm
Thickness12.7 mm
Weight46 g
Official Websitecasio.com
Added to E-CatalogDecember 2025
Battery life without recharging is up to 10 months, in energy-saving mode and in complete darkness — up to 23 months.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Casio 2026 - new arrivals, bestsellers, and the most relevant models Casio.
Everything you need to know about watch backlightingTypes of modern backlights in traditional and smart watches
Additional features wrist watch Casio AQ-S820W-3B:
  • Hourly signal
  • LED backlight
  • Afterglow
  • On off. button sound
  • Energy saving