Singapore Cartier Challenge
![Singapore Cartier Challenge](https://watchprofessoracademy.com/wp-content/uploads/2023/03/IMG_1193.jpg)
Automatic movement watches are also known as mechanical movement watches. Both function with a rotor, an essential component that gives power to these kinds of watches since it does not use battery. In this case, the rotor moves primarily because of the wearer’s natural movements.