Seiko Cal. 4574 - 839

This Spring Drive model from 1968 features a 41mm Hardlex-Coated Steel case. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-a34ba734a1d5]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1968

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