Seiko Cal. 4578 - 977

This Kinetic model from 1985 features a 36mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-a27885a72e34]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1985

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