Seiko Cal. 3861 - 889

This Automatic model from 1973 features a 42mm PVD Black case. Powered by the 3861 caliber with 26j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-01c3846773bf]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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