Se watch

If you mean without the cellular service the answer is yes.

You can purchase the Cellular + GPS version if you want. If you wish to one day connect it to your cellular plan

It will function as a GPS only model and it will use your iPhone for all it's communication needs.

Or just get the GPS model if you will never connect it.

If it's the GPS version then yes.

You can also use the cellular version without activating the cellular plan.