Seiko Cal. 3866 - 542

Released in 1986, the Cal. 3866 with design code 542 was part of Seiko's domestic market collection. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-e42eebf3aed0]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1986

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