Seiko Cal. 3880 - 943

This Spring Drive model from 1972 features a 44mm PVD Black case. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-11bfadb7f78f]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1972

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