Seiko Cal. 4566 - 554

This Hand-Winding model from 1977 features a 34mm Gold-Plated case. Powered by the 4566 caliber with 27j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-db6995dee0df]

Also known as: Tuna, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1977

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