Seiko Cal. 3863 - 563

This Spring Drive model from 1968 features a 43mm PVD Black case. Powered by the 3863 caliber with 31j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-120e41cf9c52]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1968

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