Seiko Cal. 3863 - 109

This Automatic model from 1974 features a 37mm PVD Black case. Powered by the 3863 caliber with 35j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-d412d995f20a]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1974

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