Seiko Cal. 6378 - 676

This Spring Drive model from 1986 features a 43mm PVD Black case. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-465955bf6bc5]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1986

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