Prospex

Available from 2021 to 2024, the SPB239 is a 40.5 mm stainless-steel 200 m diver on Seiko's mid-tier 6R35 automatic, a hand-windable calibre with a generous 70-hour power reserve running at 21,600 vph. Worn on a steel bracelet, its modest diameter and longer reserve position it as a more refined…

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