Seiko — Prospex

Prospex

The smallest 6R35 automatic in this group at 38 mm, the SPB157 is rated to 200 m and runs the 70-hour 6R35 at 21,600 vph with LumiBrite indexes on a steel bracelet. Some examples have been observed with gold-plated case and bezel finishing rather than plain steel, lending it a slightly dressier…

Open in DialAtlas
Seiko Prospex SPB157
ReferenceSPB157
BrandSeiko
FamilyProspex
Produced2020–2023
StatusDiscontinued