Seiko Cal. 6622 - 433

This Hand-Winding model from 1976 features a 37mm Hardlex-Coated Steel case. With its 22mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-7d386912233d]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1976

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