Watch with sliding display

A watch or piece of jewellery comprising a smart wristband and at least a smart screen arranged to be moved and disposed in a given location along the smart wristband, the smart wristband comprising:

• a wristband;
• a guide included in the wristband and extending along a length of the wristband, the guide being configured to guide processed data along the wristband to said smart screen;
• and
• a processing unit configured to transmit, via a second communication interface and the guide for transmission, the processed data to a first communication interface comprising a receiver of said smart screen, said receiver being configured to receive the processed data, the transmission guide being configured to ensure continuous transmission of the processed data by electromagnetic wave, acoustic wave, by electrical signals and/or by optical signals up to the receiver of the smart screen disposed at a given location along the wristband;
• and
• the smart screen connected to said smart wristband and comprising:
• a display configured to run and/or slide along said smart bracelet;
• and
• a control unit configured to control the display as a function of the processed data.