Seiko Cal. 4428 - 159

This Kinetic model from 1965 features a 34mm Two-Tone case. Powered by the 4428 caliber with 25j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-a24f3ceed208]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1965

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