Seiko Cal. 5639 - 550

This Quartz model from 1978 features a 34mm Stainless Steel case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-4900aee9be19]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1978

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