Seiko Cal. 4581 - 678

This Spring Drive model from 1968 features a 39mm Stainless Steel case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-61db34c69d13]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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