The Seiko Almanac · by Tiny Hour Tales
Model referencemedium confidence

Seiko SEIKOSHARAILWAYNO.25-26

seikosha pocket watches (セイコーシヤ懐中時計) · catalogued in 1932

Case
chrome
Jewels
7
List price
¥17.00 (25 クローム側 ローレット縁両捻側 變鈕 七石入) / ¥17.50 (26 クローム側 ローレット縁両捻側 彫付 變鈕 七石入)
Seiko SEIKOSHARAILWAYNO.25-26 as pictured in the Seiko, page 2
From the 1932 Seiko catalogue, page 2View Page

From the catalogue

Case
chrome
Jewels
7
List price
¥17.00 (25 クローム側 ローレット縁両捻側 變鈕 七石入) / ¥17.50 (26 クローム側 ローレット縁両捻側 彫付 變鈕 七石入)
Specs
pocket watch · size 十六サイズ (16 size) · manual wind · 7 jewels

List numbers (25)–(26) are case/jewel variants of the one pictured watch; no model code printed. The second, uncaptioned railway watch: its knurled bezel and odd bow match (25)/(26) ローレット縁両捻側 變鈕 — identification by layout. The 19/27形 large watch (27) ¥20.00 is listed but not separately pictured.

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