Seiko Cal. 5639 - 374

This Quartz model from 1977 features a 42mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-7bac06bc67ed]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1977

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