Seiko Cal. 4420 - 180

This Hand-Winding model from 1980 features a 43mm Titanium case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8f06d83ae76c]

Also known as: Shogun, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1980

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