Seiko Cal. 4420 - 381

This Solar model from 1966 features a 43mm Gold-Plated case. It features a Cream dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-5aae7bf19303]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1966

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