Seiko Cal. 3863 - 402

The Seiko 3863-402 represents an important milestone in Seiko's 1971 lineup. Powered by the 3863 caliber with 35j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-fb7cfcf5b786]

Also known as: Shogun, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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