Seiko Cal. 6686 - 379

The 6686-379 is a sought-after Solar piece from Seiko's golden era. Powered by the 6686 caliber with 28j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-a58940f019a9]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

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