Seiko Cal. 6678 - 806

The 6678-806 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6678 caliber with 26j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-ba1545001a83]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1974

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