Seiko Cal. 7143 - 728

The Seiko 7143-728 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-5fbaeca3bbcc]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1979

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