Grand Seiko Bets One 9SA5 Movement on Four Watches
Grand Seiko is using one 9SA5 platform to create four Evolution 9 watches, making design—not mechanics—the key differentiator.
Jun 24, 20261 min read0 reactions0 comments
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Grand Seiko is using one 9SA5 platform to create four Evolution 9 watches, making design—not mechanics—the key differentiator.