Seiko Cal. 4428 - 975

This Kinetic model from 1968 features a 43mm Gold-Plated case. With its 19mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-8d4505666def]

Also known as: World Timer, Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1968

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