Question marked as Top-ranking reply User profile for user: gntlmnking gntlmnking User level: Level 4 3,338 points Feb 23, 2021 9:27 PM in response to faisal32 No!The Serial Number is linked to the iPhone, that's how it backs up its data to iCloud. if it's the one with LTE (list 1 still applies), it's also tied to that specific phone.Apple ID and iCloud are both linked through the one phone the Apple Watch is tethered to. Show more Less Reply Link