The Seiko Almanac · by Tiny Hour Tales
Model referenceCal. 4840

Seiko QNH820

グランドクオーツ (grand quartz) · catalogued across 1977 · 1978

Case
GC · WR
Dial
white
List price
¥74,000
Seiko QNH820 as pictured in the 1977 Seiko Catalog Vol.2, page 4
From the 1977 Seiko catalogue, page 4View Page

Identifiers

Caliber
4840
Case–dial code
811-810

From the catalogue

Dial
white
Case
GC
Strap
18.0 mm
Water resist.
Water resistant
List price
¥74,000
Specs
クオーツ · 日常生活用防水 · クリアレックス

Clearlex crystal; water resistant for daily use

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