Seiko Cal. 3863 - 187

The Seiko 3863-187 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-1e47e2a4b509]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1970

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