Seiko Cal. 6397 - 646

This Spring Drive model from 1979 features a 37mm PVD Black case. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-89ef8a30b5e4]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1979

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