Seiko Cal. 3866 - 400

The Seiko 3866-400 represents an important milestone in Seiko's 1966 lineup. Powered by the 3866 caliber with 19j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-13281f506e8b]

Also known as: Samurai, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1966

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