Magnetism refers to the force exerted by magnets when they attract or repel each other. In the realm of watchmaking, magnetism is a critical factor that can significantly affect the performance and accuracy of timepieces. Watches, particularly mechanical ones, contain numerous small metal components that can become magnetized when exposed to magnetic fields. This exposure can lead to the disruption of the watch's movement, causing it to run inaccurately or even stop altogether.

To combat the effects of magnetism, watchmakers have developed various solutions. One common approach is the use of anti-magnetic materials in the construction of watch movements. These materials, such as silicon or special alloys, are resistant to magnetic fields and help maintain the watch's precision. Additionally, some watches are equipped with a Faraday cage, a protective enclosure that shields the movement from external magnetic influences.

The importance of addressing magnetism in watchmaking has grown with the increasing presence of electronic devices and magnetic fields in everyday life. As a result, many modern watches are designed to meet specific anti-magnetic standards, ensuring they remain reliable and accurate in various environments. This focus on mitigating magnetism underscores the watchmaker's commitment to precision and durability.