Seiko Cal. 5231 - 754

This Spring Drive model from 1965 features a 45mm Stainless Steel case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-d040f0c6b26b]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1965

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