Seiko Cal. 4520 - 472

This Spring Drive model from 1966 features a 41mm Gold-Plated case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-83b9df62cf2c]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1966

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