Seiko Cal. 5667 - 371

The Seiko 5667-371 represents an important milestone in Seiko's 1979 lineup. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-efbfc75ae299]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1979

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