Seiko Cal. 5634 - 676

The Seiko 5634-676 represents an important milestone in Seiko's 1990 lineup. With its 21mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-0864c09da3ca]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1990

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