The Nubia Alpha is an innovative device that may pioneer a trend of wrap-around displays on wrist-worm devices. Its latest trick is to have appeared on the JerryRigEverything channel for durability testing. Can this much really be expected of a wearable with a flexible screen?
https://www.notebookcheck.net/Nubia-Alpha-leads-flexible-display-devices-into-JerryRigEverything-testing.420329.0.html
Of course it's not gonna break, LG G Flex was from 2013 and it didn't have any issues with durability back then, a slight flex is fundamentally different from a ~180° fold.