Seiko Cal. 3831 - 230

This Spring Drive model from 1980 features a 35mm PVD Black case. With its 22mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-5d96cd67aeaf]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1980

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