The Seiko Almanac · by Tiny Hour Tales
Model referenceCal. 8909

Seiko TYB030

ストップウオッチ《精密計測用》 (stopwatches, precision timing) · catalogued across 1976 · 1977

Case
ACRP
Jewels
15
Dial
white
List price
¥46,000 (struck through; ¥50,000 written in by hand)
Seiko TYB030 as pictured in the 1976 Seiko Catalog Vol.1, page 103
From the 1976 Seiko catalogue, page 103View Page

Identifiers

Caliber
8909
Case–dial code
500-500

From the catalogue

Dial
white
Case
ACRP
Bracelet
XAN030
Jewels
15
List price
¥46,000 (struck through; ¥50,000 written in by hand)
Specs
hand-wound · ACRP

Movement code 89ST; hand-wound, rounding mechanism for 1/10 or 1/5 s readings, rainproof case; 1/100 s, accumulative

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