Seiko Cal. 6678 - 368

The Seiko 6678-368 represents an important milestone in Seiko's 1979 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9c1d94447d61]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1979

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