Seiko Cal. 3866 - 406

The Seiko 3866-406 represents an important milestone in Seiko's 1986 lineup. Powered by the 3866 caliber with 17j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-3d956e976b49]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1986

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