Seiko Cal. 3811 - 566

The Seiko 3811-566 represents an important milestone in Seiko's 1969 lineup. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-9965f1086caf]

Also known as: UFO, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1969

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