
Ref. GST-B400 · Sport
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G-Shock collection · 100 watches
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The Casio GST-B400 (ref. GST-B400) is a quartz sport watch, with a 49.6mm resin / stainless steel case, 12.9mm thick. Water resistance is rated to 200m, under a mineral crystal. Manufacturer MSRP is $350.
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