Seiko Cal. 6663 - 916

The 6663-916 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6663 caliber with 21j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-e46fcb9ba7d4]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1981

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