Seiko — Alpinist

Seiko Prospex Alpinist (green dial, successor to SARB017, cal. 6R35)

Produced 2020–2022. Introduced in 2020 as the international successor to the beloved SARB017, the SPB121 revives the classic Alpinist green sunburst dial and internal compass bezel in a slightly enlarged 39.5mm case. It runs on the…

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Seiko Prospex Alpinist (green dial, successor to SARB017, cal. 6R35) SPB121

ReferenceSPB121

BrandSeiko

FamilyAlpinist

Produced2020–2022

StatusDiscontinued

Editorial context

Stories featuring SPB121

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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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