In order for an automatic self-winding watch to function properly, the spring must build up sufficient tension. It is important to note that the watch must be manually wound before it can run automatically, a process known as 'winding'. Without this process the timepiece will not function correctly or consistently.

To activate the watch, turn the winding crown and make approximately 20 clockwise revolutions. This first 'winding' is usually sufficient for most automatic watches. During winding, the small spring in the watch is manually tightened, creating enough tension to start the movement. As the spring relaxes, it pulls the gears, which in turn, through advanced technology, set the hands in motion. Once the spring is fully relaxed, the watch stops running.

Once the process is complete, the watch automatically winds itself using an oscillating weight that moves with each wrist movement. To maximize tension, a self-winding watch should be worn at least eight hours a day. If this is not possible, or if the watch is not worn for more than 15 hours, it is necessary to repeat the process.