Seiko Cal. 3861 - 865

The Seiko 3861-865 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-89ea8eeae19e]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1968

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