Seiko Cal. 6637 - 132

The Seiko 6637-132 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-bd19251ea24d]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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