Seiko Cal. 3878 - 386

This Spring Drive model from 1987 features a 41mm PVD Black case. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-f1e4e98fb606]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1987

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