Seiko Cal. 5639 - 430

The Seiko 5639-430 represents an important milestone in Seiko's 1984 lineup. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-01a54153d881]

Also known as: Rally, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1984

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