Seiko Cal. 7131 - 647

This Spring Drive model from 1973 features a 36mm PVD Black case. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-6c716100691c]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1973

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