Seiko Cal. 5691 - 878

This Spring Drive model from 1979 features a 34mm Stainless Steel case. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-984e292d6674]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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