(Chiefly of a watch) wound by some automatic means, such as an electric motor or the movement of the wearer, rather than by hand.
- A ‘kinetic power converter’ in the wearer's shoe or wristwatch would produce electricity in the same way that an old-fashioned self-winding watch extracted energy from its owner's normal movements.
- Examples include self-winding wristwatches and rectifiers in electrical circuits.
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