Seiko Cal. 3813 - 512

This Spring Drive model from 1992 features a 41mm Stainless Steel case. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-6740dec73e4d]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1992

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