Seiko Cal. 3812 - 191

The Seiko 3812-191 represents an important milestone in Seiko's 1979 lineup. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-1b14bfa89848]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1979

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