Seiko Cal. 3852 - 866

The Seiko 3852-866 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-a43b4a2d9686]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1981

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