Seiko Cal. 3863 - 564

The 3863-564 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3863 caliber with 24j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-b7e5aa0a37dd]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1966

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