Seiko Cal. 4430 - 420

This Spring Drive model from 1982 features a 37mm Stainless Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3e2cffcf36d5]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1982

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