Seiko Cal. 4487 - 381

This Kinetic model from 1966 features a 46mm Hardlex-Coated Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-2db467433cd0]

Also known as: Rally, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1966

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