Seiko Cal. 5639 - 688

The Seiko 5639-688 represents an important milestone in Seiko's 1982 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-f3addfe47505]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1982

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