Seiko Cal. 3866 - 136

The 3866-136 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3866 caliber with 25j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-d446f882a038]

Also known as: Shogun, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1970

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