Seiko — Tuna

Prospex

Produced 2021–2025. Made from 2021 to 2025, this is the most compact and most water-resistant of the modern Tunas, fitting a 41.5 mm stainless-steel case yet rated to 300 m. It runs Seiko's 4R35 automatic with manual winding, a 41-hour…

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Seiko Prospex SBDY107
ReferenceSBDY107
BrandSeiko
FamilyTuna
Produced2021–2025
StatusDiscontinued

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