Seiko Cal. 5634 - 876

The Seiko 5634-876 represents an important milestone in Seiko's 1969 lineup. With its 19mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-cbaf3dcf8577]

Also known as: Monster, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1969

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