Seiko Cal. 3861 - 158

The Seiko 3861-158 represents an important milestone in Seiko's 1966 lineup. With its 19mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-5743e1525a76]

Also known as: UFO, Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1966

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