The Citizen 37-7066 watch movement is a mechanical movement that encompasses several functions. It features a chronograph function, allowing for the measurement of time intervals, as well as an automatic winding system that eliminates the need for manual winding. The movement also incorporates a digital display, providing a clear and precise readout of timekeeping information. Additionally, the Citizen 37-7066 includes a calendar function, which displays the date and potentially other relevant calendar information.