Some specifications for this reference are on file; the record is incomplete.
Seiko · Prospex
Speedtimer
Ref. SRQ035
currentMechanical Speedtimer revivalPartially documentedLast reviewed Not yet reviewed
Reference photography not yet on file
The mechanical Speedtimer, using the 8R-series column-wheel and vertical-clutch chronograph — the same two architectural choices Seiko made on the 6139 in 1969, in an entirely modern movement.
Some specifications for this reference require verification against manufacturer documentation.
At a glance
- Brand
- Seiko
- Collection
- Prospex
- Reference
- SRQ035
- Production
- 2021–present
- Caliber
- 8R48
- Case diameter
- 42.5mm
- Case material
- Stainless steel