Seiko Cal. 3878 - 601

The Seiko 3878-601 represents an important milestone in Seiko's 1981 lineup. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-5f508ea2045f]

Also known as: Monster, Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1981

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