Three most important points for watch maintenance:Down-to-earth right Best protector for Rolex crystal In-depth research is the only way to pursue development. https://finewatchcare.com/collections/rolexwatch-protection-films
The most important first point: accuracy
Accuracy is the three most important points for watch maintenance: first, of course, accuracy. The average standard should be within plus or minus ten seconds, preferably within plus five seconds.