Seiko Cal. 6636 - 929

The Seiko 6636-929 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-0bf99cd2eb86]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1973

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