Seiko Cal. 4566 - 903

The Seiko 4566-903 represents an important milestone in Seiko's 1972 lineup. Powered by the 4566 caliber with 20j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-b29db3ce7cc6]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

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