Seiko Cal. 3879 - 907

The Seiko 3879-907 represents an important milestone in Seiko's 1989 lineup. With its 19mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-2c2243a588f1]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1989

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