Seiko Cal. 5691 - 867

Released in 1976, the Cal. 5691 with design code 867 was part of Seiko's domestic market collection. With its 19mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-471dab4ee614]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1976

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