Seiko Cal. 6637 - 796

The Seiko 6637-796 represents an important milestone in Seiko's 1969 lineup. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-2721fcbf0bc0]

Also known as: Rally, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1969

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