Seiko Cal. 5663 - 579

This Spring Drive model from 1982 features a 36mm Two-Tone case. Powered by the 5663 caliber with 19j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-28fa6ba6088e]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1982

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