Seiko Cal. 6643 - 749

This Kinetic model from 1981 features a 42mm PVD Black case. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-3ed698842d0e]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1981

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