Seiko Cal. 6636 - 765

The Seiko 6636-765 represents an important milestone in Seiko's 1999 lineup. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-686ed409b6ef]

Also known as: Crown, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1999

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