
Ref. GD-B500 · Sport
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G-Shock collection · 101 watches
4 colorways
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Casio on the secondhand market
+10.4%
2026 so far · +1.2% to +21.5% · 47 matched watches
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The Casio GD-B500 (ref. GD-B500) is a quartz sport watch, with a 41.5mm resin case, 11mm thick. Water resistance is rated to 200m, under a mineral crystal. Manufacturer MSRP is $120. The dial color is gray.
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