What factors can affect the error of a watch?

1. Quality issues with the watch itself, such as automatic winding failure, malfunction, etc., can lead to inaccurate movement of the pendulum;

2. Varies with temperature, magnetic field, collision vibration, altitude, and other factors. Watches should be kept as close as possible to appliances such as speakers, televisions, and mobile phones.

3. Elderly people often sit in the office, exercise less, and the body itself has a strong physique, which can affect work hours.