SpecStudio
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Casio AQ-S820W
Ref. AQ-S820W · Sport
$65Stock unknown
Case
- Diameter
- 50.1mm
- Thickness
- 12.7mm
- Lug-to-lug
- 52.5mm
- Material
- Resin
- Water resistance
- 100m
Crystal & dial
- Crystal
- Acrylic
- Dial colour
- Black
Movement
- Type
- Solar
Design language
- Case shape
- round
- Dial style
- matte
- Bezel
- fixed
- Bracelet
- rubber
- Hands
- baton
AI-detected from the product image
Casio collection · 40 watches
3 colorways
The market
Market prices.
Retail$65
eBay listings
- Casio Men's Watch Alarm Black Analog-Digital Dial Resin Strap AQ-S820W-1AVCFNew without box or papers · US$45
- Casio AQ-S820W-1AJF Collection Quartz Unisex Watch Black Ana-Digi AQ-S820W-1ANew with box and papers · JP$46
- Casio AQS820W-1AV, Digital/Analog Watch, Solar Powered, 5 Alarms, IlluminatorNew with box and papers · US$48
Lowest displayed prices first.
Matched listings from our latest checks; eBay may show additional results. We may earn a commission through these links at no extra cost to you.
Retail stock & market context
Casio on the secondhand market
+10.5%
2026 so far · +1.3% to +21.6% · 47 matched watches
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In a nutshell
The Casio AQ-S820W (ref. AQ-S820W) is a solar sport watch, with a 50.1mm resin case, 12.7mm thick. Water resistance is rated to 100m, under a acrylic crystal. Manufacturer MSRP is $65.
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