A simple way to distinguish between a quartz watch and a mechanical watch:
1. Look at the words, automatic is a mechanical watch, quartz is a quartz watch;
2. Mechanical watch If there is a hollow or the back side, you can see the inside;
3. Look at the thickness, mechanical watches are generally thicker than quartz watches;
4. Look at the movement of the second hand, the beating is quartz. Sweeping is mechanical.