Seiko Cal. 4481 - 637

This Kinetic model from 1975 features a 43mm Stainless Steel case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-247c31d0989a]

Also known as: UFO, Navigator

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1975

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