Model reference
Seiko 83BA-090
business (ビジネスグループ) · catalogued in 1968
- Case
- SS
- Jewels
- 30
- List price
- ¥16,500 (SS·WP·F)

Identifiers
- Case–dial code
- 807-813
From the catalogue
- Case
- SS
- Jewels
- 30
- Water resist.
- WP
- List price
- ¥16,500 (SS·WP·F)
- Specs
- automatic · day-date (day spelled out at 9)
ビジネスA (Business-A); 自動巻; the same symbol and number is also printed for a different watch: p.4 27石 (900-902)
Appears in
- Seiko JDM Catalog No.1p.3 · view page
- Seiko JDM Catalog No.1p.4 · 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.




