Seiko Cal. 3864 - 819

The Seiko 3864-819 represents an important milestone in Seiko's 1971 lineup. With its 19mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-ca4e8e394031]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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