Seiko Cal. 3811 - 580

The Seiko 3811-580 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-38d809ab2199]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1970

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