Seiko Cal. 5631 - 799

The Seiko 5631-799 represents an important milestone in Seiko's 1983 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e4b71a1fb897]

Also known as: Sea Horse, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1983

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