Seiko Cal. 3850 - 371

This Automatic model from 1972 features a 42mm Stainless Steel case. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-9913c9f61393]

Also known as: Monster, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1972

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