Seiko Cal. 6374 - 191

This Spring Drive model from 1977 features a 43mm Stainless Steel case. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-e306258ebedf]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1977

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