Seiko Cal. 5639 - 995

This Spring Drive model from 1972 features a 34mm Titanium case. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-0ce41dc1d615]

Also known as: Rally, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

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