Seiko Cal. 3866 - 910

Released in 1979, the Cal. 3866 with design code 910 was part of Seiko's domestic market collection. With its 22mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-8aa1bcdcbe1f]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1979

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