Prospex

The 2021 SBDX045 sits at the upper end of the Prospex line, a 44 mm stainless-steel diver rated to 300 metres — the deepest water resistance in this family. It is distinguished by Seiko's higher-grade 8L35 automatic, a hand-windable movement beating at 28,800 vph with a 50-hour reserve, a step up…

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