Seiko Cal. 6668 - 610

The Seiko 6668-610 represents an important milestone in Seiko's 1980 lineup. Powered by the 6668 caliber with 21j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-7eac2e46403f]

Also known as: UFO, Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1980

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