Seiko Cal. 3873 - 490

The Seiko 3873-490 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-abef3a7cd46b]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1976

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