Seiko Cal. 5631 - 685

The Seiko 5631-685 represents an important milestone in Seiko's 1994 lineup. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-25d382d5354c]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1994

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