Seiko Cal. 6678 - 172

This Spring Drive model from 1976 features a 41mm Gold-Plated case. With its 19mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-b0aaa8056d0e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1976

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