Seiko Cal. 3861 - 672

The Seiko 3861-672 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-747a8b7426c4]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1981

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