Model reference
Seiko 90ST-050
stopwatches (ストップウオッチ) · catalogued across 1967 · 1968
- Case
- ACRP
- Jewels
- 7
- List price
- ¥6,800 (ACRP)

Identifiers
- Case–dial code
- 501-504
From the catalogue
- Case
- ACRP
- Jewels
- 7
- List price
- ¥6,800 (ACRP)
- Specs
- stopwatch · 1/5 s
セイコーストップウオッチ (Seiko Stopwatch); 1/5秒計; 標準ストップウオッチ(90ST)
Appears in
- 1968 Seiko JDM Catalog No.2p.45 · view page
- Seiko JDM Catalog No.1p.42 · view page
- Seiko JDM Catalog No.2p.26 · view page
Elsewhere at Tiny Hour Tales
Seiko pieces in the shop now
Not this reference or caliber — simply the Seiko-family watches available today.




