Seiko Cal. 4428 - 943

This Kinetic model from 1975 features a 34mm Hardlex-Coated Steel case. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-4a639b9327f0]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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