Seiko Cal. 6643 - 109

The Seiko 6643-109 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-b520c9e0c2e2]

Also known as: Pogue

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1971

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