The Seiko Almanac · by Tiny Hour Tales
Model reference

Seiko 90ST-090

stopwatches (ストップウオッチ) · catalogued across 1967 · 1968

Case
ACRP
Jewels
7
List price
¥7,600 (ACRP)
Seiko 90ST-090 as pictured in the Seiko JDM Catalog No.2, page 29
From the 1967 Seiko catalogue, page 29View Page

Identifiers

Case–dial code
503-508

From the catalogue

Case
ACRP
Jewels
7
List price
¥7,600 (ACRP)
Specs
stopwatch · 1/5 s · 1/100 min scale (100割)

セイコーストップウオッチ (Seiko Stopwatch); 1/5秒計・100割; 特殊ストップウオッチ(90ST)

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