Seiko Cal. 6643 - 299

The Seiko 6643-299 represents an important milestone in Seiko's 1988 lineup. With its 18mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-ae8e727a725f]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1988

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