Seiko Cal. 4528 - 317

This Spring Drive model from 1969 features a 43mm Gold-Plated case. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-e5f26c90da0b]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1969

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