Seiko Cal. 6668 - 840

The 6668-840 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6668 caliber with 22j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-0cc862489ea4]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1974

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