Seiko Cal. 3866 - 551

Released in 1984, the Cal. 3866 with design code 551 was part of Seiko's domestic market collection. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-495fb5cbf7d9]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1984

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