Seiko Cal. 7143 - 737

The Seiko 7143-737 represents an important milestone in Seiko's 1965 lineup. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-85bd3dda2a24]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1965

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