Seiko Cal. 4428 - 379

This Kinetic model from 1981 features a 46mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-380d79e5e2e4]

Also known as: UFO, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1981

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