Seiko Cal. 4471 - 860

This Kinetic model from 1972 features a 38mm Hardlex-Coated Steel case. Powered by the 4471 caliber with 20j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-a23edb2bd636]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1972

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