Seiko Cal. 6131 - 419

This Spring Drive model from 1970 features a 34mm PVD Black case. With its 19mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-449e4471f4ef]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1970

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