Seiko Cal. 3866 - 855

The Seiko 3866-855 represents an important milestone in Seiko's 1990 lineup. Powered by the 3866 caliber with 28j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-b7371f4afabf]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1990

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