Seiko Cal. 4420 - 966

This Spring Drive model from 1973 features a 36mm Gold-Plated case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-2d14d89950ee]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

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