Seiko Cal. 3879 - 699

This Spring Drive model from 1984 features a 43mm PVD Black case. With its 19mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-b39687255d73]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1984

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