The Seiko Almanac · by Tiny Hour Tales
Model reference

Seiko C-20

seiko cronos (クロノス高級防水) · catalogued in 1960

Case
SS
Jewels
23
List price
¥7,800
Seiko C-20 as pictured in the Seiko, page 9
From the 1960 Seiko catalogue, page 9View Page

From the catalogue

Case
SS
Jewels
23
Water resist.
WP
List price
¥7,800
Specs
23 jewels · high-grade water-proof (高級防水)

Model line Seiko Cronos (クロノス高級防水); price from the page's list: クロノス高級防水 23j SS 7,800円; pictured on a steel bracelet with its WATERPROOF box

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