Seiko Cal. 4590 - 431

This Hand-Winding model from 1973 features a 36mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-da0da6188ab2]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1973

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