The Seiko Almanac · by Tiny Hour Tales
Model reference

Seiko SEIKO8COINNO.153-155

seiko wristwatches (セイコー腕時計) · catalogued in 1932

Case
chrome
Dial
white (白支)
List price
¥10.50 (153 クローム側 七石入) / ¥12.00 (154 クローム側 十石入) / ¥14.00 (155 クローム側 十五石入)
Seiko SEIKO8COINNO.153-155 as pictured in the Seiko, page 11
From the 1932 Seiko catalogue, page 11View Page

From the catalogue

Dial
white (白支)
Case
chrome
Bracelet
wide leather strap (巾廣腕革付)
List price
¥10.50 (153 クローム側 七石入) / ¥12.00 (154 クローム側 十石入) / ¥14.00 (155 クローム側 十五石入)
Specs
wristwatch · size 8形 · manual wind · jewels 7 / 10 / 15

List numbers (153)–(155) are case/jewel variants of the one pictured watch; no model code printed.

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Not this reference or caliber — simply the Seiko-family watches available today.