Seiko Cal. 4589 - 728

This Spring Drive model from 1979 features a 37mm Titanium case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ec227ea6dfce]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1979

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