Seiko Cal. 5639 - 837

The Seiko 5639-837 represents an important milestone in Seiko's 1988 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-7df236749aac]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1988

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