Seiko Cal. 3878 - 192

This Spring Drive model from 1986 features a 34mm PVD Black case. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-9baaeab36575]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1986

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