Seiko Cal. 6688 - 726

The Seiko 6688-726 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-2ee166814bb3]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

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