
Ref. GM-B2100SD · Sport
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G-Shock collection · 100 watches
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The Casio GM-B2100SD (ref. GM-B2100SD) is a quartz sport watch, with a 44.4mm stainless steel case, 12.8mm thick. Water resistance is rated to 200m, under a mineral crystal. Manufacturer MSRP is $600.
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