Seiko Cal. 6637 - 169

The Seiko 6637-169 represents an important milestone in Seiko's 1982 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ef9fd90dc688]

Also known as: Panda, Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1982

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