Seiko Cal. 6668 - 404

The Seiko 6668-404 represents an important milestone in Seiko's 1972 lineup. Powered by the 6668 caliber with 23j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-12de8336ed90]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1972

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