Seiko Cal. 3867 - 666

The Seiko 3867-666 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-85cc008f6089]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1985

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