Seiko Cal. 4578 - 671

The Seiko 4578-671 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-6e3f72ad23ae]

Also known as: Bullhead, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1973

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