Seiko Cal. 6668 - 678

The 6668-678 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6668 caliber with 17j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-0d9bafd57c77]

Also known as: Bullhead, UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1988

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