Seiko Cal. 3867 - 881

The Seiko 3867-881 represents an important milestone in Seiko's 1976 lineup. With its 19mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-f98e66e7980a]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1976

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