sapphire glass has been used on camera lenses, expensive watches and, for years, on the screens of Vertu's handmade phones. Starting with the iPhone 6, it is also used to cover the phone's camera ...

whereas the Apple Watch has to make do with glass on the front, but at least gets sapphire on the back. All models of the Series 6 are water-resistant to 50 metres. As for the latest 2020 version ...