Seiko Cal. 3866 - 590

This Spring Drive model from 1975 features a 37mm Stainless Steel case. Powered by the 3866 caliber with 24j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-96861cffc7a3]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1975

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