Seiko Cal. 5679 - 631

The Seiko 5679-631 represents an important milestone in Seiko's 1981 lineup. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-17f1315b30b2]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1981

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