Seiko Cal. 5631 - 472

This Spring Drive model from 1973 features a 45mm Gold-Plated case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-c865a54e2dd8]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1973

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