Seiko Cal. 5643 - 475

This Spring Drive model from 1975 features a 39mm Hardlex-Coated Steel case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b93dd61be742]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1975

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