Seiko Cal. 6678 - 716

Released in 1980, the Cal. 6678 with design code 716 was part of Seiko's domestic market collection. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-e2ac09efc6e2]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1980

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