The Seiko Almanac · by Tiny Hour Tales
Model reference

Seiko SEIKO8TONNEAUNO.165-167

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

Case
18K gold
Dial
silver (銀支)
List price
¥25.50 (165 十八金側 七石入) / ¥27.00 (166 十八金側 十石入) / ¥29.00 (167 十八金側 十五石入)
Seiko SEIKO8TONNEAUNO.165-167 as pictured in the Seiko, page 12
From the 1932 Seiko catalogue, page 12View Page

From the catalogue

Dial
silver (銀支)
Case
18K gold
Bracelet
wide leather strap (巾廣腕革付)
List price
¥25.50 (165 十八金側 七石入) / ¥27.00 (166 十八金側 十石入) / ¥29.00 (167 十八金側 十五石入)
Specs
wristwatch · size 8形 · manual wind · jewels 7 / 10 / 15

List numbers (165)–(167) 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.