Seiko Cal. 4421 - 611

This Kinetic model from 1971 features a 43mm PVD Black case. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-81e6c9ca3bde]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1971

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