Seiko Cal. 6651 - 918

Released in 1970, the Cal. 6651 with design code 918 was part of Seiko's domestic market collection. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-cbb234fe03e6]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1970

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