Seiko Cal. 5231 - 449

This Spring Drive model from 1972 features a 38mm Stainless Steel case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b88657eddc22]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1972

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