A watch self-winding device with rotary motion, including a base carrying a motor driving in rotation a support carrying a watch and includes an upper watch holder with a surface in direct contact with a watch, this support includes a microphone for listening to a watch and an embedded electronic circuit processing the signal from the microphone, the device includes, in order to supply power to the embedded electronic circuit, a first coil fixed to the base and powered by a power source carried or relayed by the base, and a second coil embedded in the support, coaxial to the first coil and arranged to transmit power to the embedded electronic circuit, which is arranged to exchange information with a static electronic circuit in the base.