Seiko Cal. 6639 - 149

The Seiko 6639-149 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-0c69dc2dc0f9]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1975

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