Seiko Cal. 4587 - 534

This Spring Drive model from 1969 features a 36mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-d31f75748b8c]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1969

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