Definition of self-winding in English:

self-winding

adjective

  • (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.’

Pronunciation:

self-winding

/ˌselfˈwīndiNG/