Seiko Cal. 6647 - 718

Released in 1980, the Cal. 6647 with design code 718 was part of Seiko's domestic market collection. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-322ea5363bf6]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1980

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