Seiko Cal. 4578 - 720

This Kinetic model from 1974 features a 43mm PVD Black case. Powered by the 4578 caliber with 21j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-750e489cc98f]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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