
Ref. AQ-240 · Sport
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Casio collection · 40 watches
6 colorways
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Casio on the secondhand market
+10.4%
2026 so far · +0.4% to +22.3% · 46 matched watches
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The Casio AQ-240 (ref. AQ-240) is a quartz sport watch, with a 35.8mm resin / chrome plated case, 8.1mm thick. Water resistance is rated to WR, under a acrylic crystal. Manufacturer MSRP is $70. The dial color is silver.
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