Seiko Cal. 3863 - 870

This Kinetic model from 1967 features a 37mm Stainless Steel case. Powered by the 3863 caliber with 22j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-33998030259a]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1967

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