Hello Slamdance,
Welcome to the community!
What smartwatch to you have? If you have an Apple Watch, those devices require specific Apple Watch plans in order to utilise cellular services. Unfortunately, Fido does not currently support cellular services for Apple Watches. On the other hand, if you have another type of smartwatch, you might be able to use the cellular services. However, it would need its own plan. You should note that the smartwatch and your phone would operate independently (unless connected via bluetooth). Since your watch would have its own plan, it would also have its own phone number.
Requiring its own plan means that there would be the extra costs of that separate plan. You can view Fido's plans here.
Hope this helps 😀
Cheers
Hi @Slamdance!
Welcome to Community!
I moved your post to this thread as it deals with the same topic. I hope you find info that you are looking for.
Hey @Shawn2!
You can definitely connect your Apple Watch to your iPhone via Bluetooth and Wi-Fi but not the LTE network as it's not something we'll be carrying. We are constantly reviewing our device line-up, however, at this time we will not carry any Apple Watch on Fido. We always want our customers to have the best offers possible and we offer many great services here at Fido. We always try to offer you the best value with competitive plans, tons of extra services like Fido Roam, Fido Xtra and 5 extra hours of data!
That said, the original question from @Smartwatch on this thread was regarding Smart watches for kids, and that is something that can be used on our network (as long as the watch takes a physical SIM card). To do so, one can get any data-only plan or a talk, text, and data plan and use it with the smart watch. The type of plan needed does depend on the watch as some make calls and will require a talk and text plan.
I hope this helps!
Hey @AtomX!
We're always reviewing our line-up to ensure our customers have awesome offers and device to use. At this time, the Apple Watch is not a device Fido will carry but we do suggest you keep an eye out on Fido.ca for our latest products and services.
That said, check out my reply above for some additional information. You can always get a watch from Apple and use it on our network 
>> That said, check out my reply above for some additional information. You can always get a watch from Apple and use it on our network 
Uhm... nope. I can NOT use it on your network.
I can only use it on MY network... by connecting the watch to my phone's wifi and bluetooth signal... that's not your network.
Saying I can use it on your network is like saying if I buy wireless headphones, I can use them connect them to my phone and use them on your network.
The whole POINT is that Rogers does NOT allow the watch on the FIDO network...
