Seiko Cal. 6690 - 728

The Seiko 6690-728 represents an important milestone in Seiko's 1989 lineup. With its 19mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-0b85c12550d5]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1989

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