Seiko Cal. 5668 - 951

This Hand-Winding model from 1973 features a 41mm Stainless Steel case. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-8ea3f6e09fc7]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1973

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