Seiko Cal. 5637 - 588

This Spring Drive model from 1974 features a 39mm Gold-Plated case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3edd21130eea]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1974

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