Bad Upgrades and related service

I upgraded one month ago on my primary contract via telephone. The promotion was for a A73 plus watch at R1560. The watch was not delivered by Ram couriers. When questioned, Vodacom suggested the phone must be returned and a new contract will be entered into. This never happened, even after spending almost two hours on the phone with different agents. I just received a message informing me that the contract value has changed to R1600. Today my billing indicates R1661 - still no watch. when calling Upgrades Dept, I am always passed onto Customer service where hours are spent from one person to the next with no result. When attempting to dispute the Debit Order this morning, I find that this is impossible via FNB