Seiko Cal. 6651 - 863

The Seiko 6651-863 represents an important milestone in Seiko's 1967 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-391ef7cdfb29]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

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