Seiko Cal. 4564 - 522

This Automatic model from 1979 features a 34mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-a6dd797444a9]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1979

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