Seiko Cal. 6636 - 339

The Seiko 6636-339 represents an important milestone in Seiko's 1989 lineup. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-fac851d81fdd]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1989

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