Seiko Cal. 5666 - 779

This Spring Drive model from 1981 features a 34mm Gold-Plated case. Powered by the 5666 caliber with 29j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-8c7960e81584]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1981

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