Seiko Cal. 4581 - 293

This Spring Drive model from 1977 features a 41mm Hardlex-Coated Steel case. Powered by the 4581 caliber with 17j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-cd3e6f30f464]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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