Seiko Cal. 4536 - 973

This Spring Drive model from 1970 features a 37mm Gold-Plated case. Powered by the 4536 caliber with 33j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-c7238450bdb1]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1970

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