Seiko — Prospex

Seiko Prospex SPB143

Produced 2020–2023. SPB143J1 is Seiko's official SPB143 Prospex Sea 1965 Heritage Diver's Watch: a 40.5 mm stainless-steel 200 m diver powered by the 6R35 automatic with manual winding and an approximately 70-hour reserve, on a secure…

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Seiko Prospex SPB143 SPB143J1
ReferenceSPB143J1
BrandSeiko
FamilyProspex
Produced2020–2023
StatusDiscontinued
Editorial context

Stories featuring SPB143J1

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Seiko nicknames — 7 min readTurtle, Tuna, Sumo: the Zoo Seiko Started PrintingSeiko still engraves 6309-7040 and SBDC001 on the caseback. Collectors asked for a Turtle or a Sumo instead, and some of the factory's own shops now sell the zoo under those names.

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