Seiko Cal. 4578 - 336

The Seiko 4578-336 represents an important milestone in Seiko's 1983 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-a264b0839eb7]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1983

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