Seiko Cal. 6651 - 645

The Seiko 6651-645 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-513ca8b721b6]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

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