Seiko Cal. 6278 - 404

The Seiko 6278-404 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-db50d2feaebc]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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