Seiko Cal. 3813 - 396

This Spring Drive model from 1968 features a 43mm Stainless Steel case. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-ec5f28cf4175]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

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