Seiko Cal. 6668 - 574

The 6668-574 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6668 caliber with 34j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-5e8aa5802e79]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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