apple watch

There are 2 Apple Watch cellular radios

• Canada, U.S. Mexico, Puerto Rico

• The rest of the world

Carriers will not attempt to connect to an Apple Watch that does not use the correct radio.

If you do not get your Apple Watch in your own country, you may have to return the Apple Watch to the country where purchased to get warranty service.

If you do not get your Apple Watch in your own country, there may be country specific restrictions in the installed Apple Watch software that prevent features from working when you get home.

https://www.apple.com/watchos/feature-availability

The Apple Watch shares the iPhone's phone number, and the carriers that support the Apple Watch charge a monthly fee. In the U.S. the fee is $10 per month. Here is a list of carriers that support the Apple Watch:

https://www.apple.com/watch/cellular

According to this list there are no network providers in Ghana that support the cellular apple watch;

Apple Watch - Carriers - Apple

For you to activate cellular on the Apple Watch, the carrier has to support the eSIM. If the carrier cannot or does not support the eSIM, then you cannot activate it. It doesn't have to do with it being locked to a carrier, it has to do with the carrier supporting the Watch.

If it's the GPS only version then yes.