Model reference
Seiko 90ST-210
stopwatches (ストップウオッチ) · catalogued in 1968
- Case
- ACRP
- Jewels
- 7
- List price
- ¥7,900 (ACRP)

Identifiers
- Case–dial code
- 503-509
From the catalogue
- Case
- ACRP
- Jewels
- 7
- List price
- ¥7,900 (ACRP)
- Specs
- stopwatch · pulsimeter
セイコーストップウオッチ (Seiko Stopwatch); 特殊ストップウオッチ(90ST) — special-purpose versions of the standard stopwatch; パルスメーター
Appears in
- 1968 Seiko JDM Catalog No.2p.49 · view page
- Seiko JDM Catalog No.1p.46 · 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.




