Seiko Cal. 6636 - 279

The Seiko 6636-279 represents an important milestone in Seiko's 1976 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-31ba4efd2910]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1976

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