
Ref. GMD-B300 · Sport
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G-Shock collection · 100 watches
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The Casio GMD-B300 (ref. GMD-B300) is a quartz sport watch, with a 43.8mm resin / bio-based resin case, 12mm thick. Water resistance is rated to 200m, under a mineral crystal. Manufacturer MSRP is $135.
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