Seiko Cal. 3813 - 812

The Seiko 3813-812 represents an important milestone in Seiko's 1965 lineup. With its 19mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-cc20764caa26]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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