Seiko Cal. 6679 - 354

This Spring Drive model from 1977 features a 39mm PVD Black case. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-e055269f3d41]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1977

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