Seiko Cal. 6642 - 828

The Seiko 6642-828 represents an important milestone in Seiko's 1991 lineup. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-b84d4b83bb92]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1991

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