Seiko
Prospex Speedtimer SPB513J1
Prospex Speedtimer SPB513J1
The 39.5mm automatic Speedtimer reimagines 1970s sports-watch geometry around a crown-driven internal countdown ring.
€990 · estimated
Reported EUR price; labelled as an estimate. Reported 2025-09-01.
Reported in the linked article: €990
Price source ↗Check the exact reference, current availability, shipping and taxes with the source. Chronolume does not sell this watch.
Specifications
| Variant | Prospex Speedtimer SPB513J1 |
|---|---|
| Style | chronograph |
| Movement | automatic |
Omitted specifications have not been confirmed. From published article 2026-10-13. Original source ↗
Read the stories
A Watch Within a Watch: The Industrial Design of Inner Rotating Rings ↗
Seiko’s 2025 Speedtimer SPB513 puts a countdown inside the dial ↗