Seiko Cal. 4428 - 989

This Kinetic model from 1973 features a 36mm Titanium case. Powered by the 4428 caliber with 29j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-3e8e2f697932]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1973

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