Rolex watches do not have batteries. Instead, Rolex watches are mechanical watches powered by a self-winding movement, also known as an automatic movement. The movement is powered by the motion of the wearer’s wrist, which winds the mainspring that powers the watch.

The self-winding movement comprises several mechanical components, such as gears, springs, and a rotor, which power the watch. Rolex watches are known for their precision engineering and high level of craftsmanship, and their self-winding movements are designed to be reliable and accurate.

In addition to self-winding movements, Rolex produces watches with manual-winding movements, which require the wearer to manually wind the watch by turning the crown. Rolex also produces quartz watches powered by a battery, but these watches are relatively rare and are not as highly valued or sought-after as Rolex mechanical watches.