Seiko Cal. 4533 - 420

This Automatic model from 1975 features a 42mm PVD Black case. Powered by the 4533 caliber with 34j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-ff0b73bc3e80]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1975

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