Model referencecal. 4006low confidence

4006-0020

ベルマチック · catalogued in 1977

Identifiers

Case-movement ref: 4006-0020
Caliber: 4006
Case no.: 0020

From the catalogue

Jewels: 17
List price: 25,000円
Specs: 自動巻=auto,ベル,日常生活防水

silver/white dial, alarm, day-date

Appears in

1977 Seiko Catalog Vol.1p.43