Seiko Cal. 5664 - 592

This Spring Drive model from 1968 features a 35mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-02fbe5377de7]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1968

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