Seiko Cal. 3851 - 486

The Seiko 3851-486 represents an important milestone in Seiko's 1983 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-56e07829c118]

Also known as: Bullhead, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1983

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