Seiko Cal. 4578 - 423

Released in 1978, the Cal. 4578 with design code 423 was part of Seiko's domestic market collection. It features a Cream dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-850a133f9c7b]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

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