Seiko — Speedtimer

Prospex

The most contemporary reference in the family, the Prospex SRQ045J1 has been in production since 2023 and marks a return to mechanical chronograph movement with Seiko's 8R46 automatic with manual winding and a 45-hour reserve. It is the largest modern entry at 42.5mm in hard-coated stainless steel,…

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Seiko Prospex SRQ045J1
ReferenceSRQ045J1
BrandSeiko
FamilySpeedtimer
Produced2023–present
StatusIn production