Seiko Cal. 6639 - 200

The Seiko 6639-200 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-c21689051039]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1971

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