The Seiko Almanac · by Tiny Hour Tales
Model reference

Seiko 51-5-310

five group (ファイブグループ) · catalogued in 1969

Case
SS
Jewels
23
Dial
silver
List price
¥11,500 (SS・WP) / ¥13,500 (SGP・WP)
Seiko 51-5-310 as pictured in the 1969 Seiko JDM Catalog No.2, page 19
From the 1969 Seiko catalogue, page 19View Page

From the catalogue

Dial
silver
Case
SS
Bracelet
MB
Jewels
23
Water resist.
WP
List price
¥11,500 (SS・WP) / ¥13,500 (SGP・WP)
Specs
automatic (自動巻) · Hardlex crystal (ハードレックス付)

セイコーファイブ (Seiko Five); 311 = same watch with the Japanese-language (和) day wheel

Appears in

Elsewhere at Tiny Hour Tales

Seiko pieces in the shop now

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