Seiko Cal. 6634 - 880

The Seiko 6634-880 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-321911ec0763]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1972

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