Seiko Cal. 3859 - 422

This Hand-Winding model from 1969 features a 37mm Hardlex-Coated Steel case. With its 19mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-af6f548904ce]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

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