Seiko Cal. 6222 - 428

This Automatic model from 1967 features a 41mm PVD Black case. With its 18mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-4fae780bd662]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1967

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