Seiko Cal. 4589 - 838

This Spring Drive model from 1974 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8338cd7c12a2]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1974

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