Seiko Cal. 3831 - 860

The Seiko 3831-860 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-e171c7a68bd4]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1972

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