Seiko Cal. 5291 - 891

This Hand-Winding model from 1970 features a 38mm Stainless Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-733c85acc60e]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1970

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