The Seiko Almanac · by Tiny Hour Tales
Model reference

Seiko SEIKO10CURVEDRECTANGULARNO.50-51

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

Case
chrome
Dial
silver (銀支)
List price
¥9.80 (50 クローム側 銀支 専賣側 胴彫付 七石入) / ¥11.30 (51 クローム側 銀支 専賣側 胴彫付 十石入)
Seiko SEIKO10CURVEDRECTANGULARNO.50-51 as pictured in the Seiko, page 4
From the 1932 Seiko catalogue, page 4View Page

From the catalogue

Dial
silver (銀支)
Case
chrome
Bracelet
wide leather strap (巾廣腕革付)
List price
¥9.80 (50 クローム側 銀支 専賣側 胴彫付 七石入) / ¥11.30 (51 クローム側 銀支 専賣側 胴彫付 十石入)
Specs
wristwatch · size 10形 · manual wind · jewels 7 / 10

List numbers (50)–(51) are case/jewel variants of the one pictured watch; no model code printed.

Appears in

Elsewhere at Tiny Hour Tales

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