Produced 2026–present. Introduced in 2026, the GMD-B300-2 returns to the original numbering within the GMD-B300 line and is built on the familiar 43.8mm resin case, 200m rating and quartz Module 3567. It is one of the newer references to…
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Specifications, configurations, image gallery, market listings, lineage and notable appearances are part of the full reference.