Seiko Cal. 6636 - 137

The Seiko 6636-137 represents an important milestone in Seiko's 1998 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-487dda046aa0]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1998

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