Conversation so far:
when did the apple watch 3 series come out
The Apple Watch Series 3 was released on September 22, 2017
how much is the apple watch series 3
As of December 2019, this Apple Watch Series 3 can be purchased with the basic feature of GPS for $199.
how much is the apple watch series 3 with the cellular feature
To receive access to the cellular feature with the Apple Watch Series 3, buyers have to pay $299
which cellular carriers support the apple watch series 3
The four major carriers, AT&T, Sprint Wireless, T-Mobile, and Verizon Wireless, all support the Apple Watch Series 3.

Question: does the watch share the same number
Self-contained rewrite: does the watch share the same mobile number as the user's iphone