Seiko Cal. 3889 - 280

The Seiko 3889-280 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-3dbccf52dae7]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1974

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