Seiko Cal. 5666 - 639

This Kinetic model from 1989 features a 38mm Hardlex-Coated Steel case. Powered by the 5666 caliber with 28j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-e15a40e0ba6f]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1989

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