Seiko Cal. 3889 - 109

The Seiko 3889-109 represents an important milestone in Seiko's 1977 lineup. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-4e9c4c717019]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1977

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