Ref. L6004 · Diver
Seiko
Seiko's third-party supply version of the 4R35, sold to external watch brands and modders worldwide. Adds hacking and hand-winding over the 7S26 it effectively replaced. The NH35 has become the default automatic movement for watch modding and microbrand watches, thanks to its low cost, reliability, and wide availability of compatible parts including dials, hands, and cases in the Seiko-compatible format.
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Cronos collection · 13 watches












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Owners widely praise the Cronos Sea Master Diver 41mm as a strong value proposition, with one enthusiast calling it the best Asian diver "clomage" available on AliExpress for under $250. The 41mm case wears smaller than its lug-to-lug measurement suggests, fitting well on smaller wrists. A drawback noted by some is the quirky branding. Overall, owners rate the Cronos Sea Master Diver 41mm highly for its impressive value and comfortable wearability at its price point.
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