The Seiko Almanac · by Tiny Hour Tales
Model reference

Seiko 83BA-900-900

business group (ビジネスグループ) · catalogued in 1966

Case
SS / SGP
Jewels
30
Dial
silver
List price
¥15,500 (SS·WP) / ¥17,500 (SGP·WP)
Seiko 83BA-900-900 as pictured in the Seiko JDM Catalog No.1 Supplement, page 4
From the 1966 Seiko catalogue, page 4View Page

Identifiers

Case–dial code
900-900

From the catalogue

Dial
silver
Case
SS / SGP
Jewels
30
Water resist.
WP
List price
¥15,500 (SS·WP) / ¥17,500 (SGP·WP)

セイコービジネスA (Seiko Business-A); same printed number as the 27-jewel 83BA 900-900 beside it

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