Seiko Cal. 3859 - 644

This Automatic model from 1978 features a 37mm PVD Black case. With its 18mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-de582ce9c3f2]

Also known as: Bellmatic, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1978

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