Seiko Cal. 6680 - 426

The Seiko 6680-426 represents an important milestone in Seiko's 1974 lineup. Powered by the 6680 caliber with 17j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-58ac60ac4e8a]

Also known as: Bullhead, Helmet

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1974

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