Seiko Cal. 4581 - 672

This Automatic model from 1968 features a 37mm PVD Black case. It features a Champagne dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-0039f80555f8]

Also known as: Shogun, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1968

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