The Seiko Almanac · by Tiny Hour Tales
Model referenceCal. 7549medium confidence

Seiko PYF018

ダイバープロフェッショナル (diver professional) · catalogued across 1978 · 1979

Case
TIN NSB
Dial
black
List price
¥120,000
Seiko PYF018 as pictured in the Seiko V2, page 47
From the 1978 Seiko catalogue, page 47View Page

Identifiers

Caliber
7549
Case–dial code
700-700

From the catalogue

Dial
black
Case
TIN NSB
Bracelet
XGL832
Water resist.
Diver's WR (professional, helium saturation diving)
List price
¥120,000
Specs
TIN NSB · Hardlex

Case material printed as "TI N NSB" (partly broken); professional 600 m quartz diver; printed in white over an underwater photo

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