Seiko Cal. 6651 - 634

The Seiko 6651-634 represents an important milestone in Seiko's 1967 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-3163da4802a9]

Also known as: UFO, Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

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