Seiko Cal. 4587 - 125

This Spring Drive model from 1970 features a 38mm Hardlex-Coated Steel case. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-9713aefb83f3]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1970

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