Seiko Cal. 6291 - 873

This Spring Drive model from 1987 features a 37mm Stainless Steel case. With its 19mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-f3399c793d41]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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