Seiko Cal. 3866 - 171

Released in 1985, the Cal. 3866 with design code 171 was part of Seiko's domestic market collection. Powered by the 3866 caliber with 24j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-6ff430bd9c00]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1985

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