Seiko Cal. 5690 - 934

This Spring Drive model from 1985 features a 37mm Stainless Steel case. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-1d03ddccdc56]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1985

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