Seiko Cal. 3880 - 531

This Spring Drive model from 1986 features a 35mm PVD Black case. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-491000798a3d]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1986

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