Seiko Cal. 3811 - 817

The Seiko 3811-817 represents an important milestone in Seiko's 1969 lineup. Powered by the 3811 caliber with 27j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-6c0ebc6acb3d]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1969

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