Seiko Cal. 6668 - 678

Seiko 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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