Seiko Cal. 6678 - 854

The Seiko 6678-854 represents an important milestone in Seiko's 1979 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-1770a7c64163]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1979

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