Apple has issued a recall of its second- and third-generation Watches in order to address a screen fault that may develop in these devices. The company is, therefore, offering a free replacement for this component. A customer can avail of it by bringing or sending an applicable Watch to Apple, or to one of its official service providers.
https://www.notebookcheck.net/Apple-Watch-2-and-3-units-are-eligible-for-a-free-screen-replacement-from-Apple.433726.0.html