Seiko Cal. 6278 - 413

The Seiko 6278-413 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-cffcee47bd5e]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1979

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