Seiko Cal. 3866 - 835

This Kinetic model from 1972 features a 36mm Hardlex-Coated Steel case. Powered by the 3866 caliber with 17j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-4e57719a40a9]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1972

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