Seiko Cal. 4556 - 971

This Spring Drive model from 1972 features a 34mm PVD Black case. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-43e200ce1150]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1972

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