Seiko Cal. 4520 - 506

This Automatic model from 1967 features a 42mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-f71189946704]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1967

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