If there should be any Apple products that are recommendable, then that should be Apple watch SE, because it is wireless telecommunications, fitness tracking, healthy oriented. It is also produced for those looking up to low cost apple products.
The Apple watch is functionality at a lower price point. Apple Watch SE has all the essentials of the Apple products, its cost is low and was released plus Apple watches series 6 in September 2020.
Can You Answer Calls On Apple Watch SE Without Cellular?
Yes, you can. If your cellular Carrier WIFI calling, it is possible. Because you can use your Apple Watch to make and receive calls WIFI instead, of the Cellular network.
When you pair your iPhone, your apple watch needs to be in a range of WIFI networks that your iPhone have been connected to in the past.