Seiko Cal. 6639 - 514

This Spring Drive model from 1981 features a 34mm Titanium case. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-ac026ecacf34]

Also known as: Rally, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1981

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