Seiko Cal. 6647 - 408

The Seiko 6647-408 represents an important milestone in Seiko's 1977 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ea6ec3fb58ed]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

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