When I log in to my Apple Devices list it will show all our iPhones, wife's Apple Watch, my iMac and MacBook. But my watch is not listed. It is paired with my phone and is listed under Find My iPhone. My watch is the old series 1.
Apple Watch
Just to doublecheck, you mean it is not showing here on iCloud, right? https://www.icloud.com/find/
If that is the case, I recommend contacting Support about it, as an Apple ID issue.
im saying the apple device list. showing all the products you own and registered under your Apple ID.
Watch not showing up in Apple devices list
