Seiko Cal. 4424 - 564

This Spring Drive model from 1973 features a 37mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-c80ae08327fe]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1973

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