Seiko Cal. 4566 - 717

This Spring Drive model from 1966 features a 38mm PVD Black case. Powered by the 4566 caliber with 21j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-5c1f55985d5b]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1966

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