Seiko — Prospex

Prospex

Introduced in 2022 and still in production, the SPB317 is a 42 mm stainless-steel 200 m diver running the 70-hour 6R35 automatic on a steel bracelet — among the longest-lived current references in the family.

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Seiko Prospex SPB317
ReferenceSPB317
BrandSeiko
FamilyProspex
Produced2022–present
StatusIn production