Seiko Cal. 4578 - 867

The Seiko 4578-867 represents an important milestone in Seiko's 1974 lineup. With its 21mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-29b78c13c9df]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1974

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