Seiko Cal. 4521 - 764

This Automatic model from 1968 features a 40mm Gold-Plated case. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-74b99117b3e5]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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