Seiko Cal. 3864 - 404

The Seiko 3864-404 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-27051b72d974]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1991

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