Seiko Cal. 4420 - 426

This Hand-Winding model from 1986 features a 42mm Gold-Plated case. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-3dd6e90a7cb6]

Also known as: Sumo, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1986

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