Seiko Cal. 4420 - 334

This Hand-Winding model from 1986 features a 44mm PVD Black case. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-a05fd3a601e5]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1986

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