The Seiko Almanac · by Tiny Hour Tales
Model referenceCal. 4006

Seiko 40BW-042

business group (ビジネスグループ) · catalogued in 1969

Case
SS
Jewels
27
Dial
black
List price
¥18,500
Seiko 40BW-042 as pictured in the 1969 Seiko JDM Catalog No.2, page 13
From the 1969 Seiko catalogue, page 13View Page

Identifiers

Caliber
4006

From the catalogue

Dial
black
Case
SS
Bracelet
MB
Jewels
27
Water resist.
WP
List price
¥18,500
Specs
automatic (自動巻) · alarm (ベル付) · luminous (夜光付)

ビジネスベル (Business Bell); 043 = same watch with the Japanese-language (和) day wheel

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