Using , then tap Add Card.
Choose Apple Account, Debit or Credit Card, or Transit Card; then follow the onscreen instructions.
Go to the Wallet app Put your Apple Watch in lost mode to suspend the ability to pay from your Apple Watch.
Sign in to account.apple.com using your Apple Account and remove the ability to pay using your credit and debit cards in Wallet.
In the Devices area, choose the device, then click Remove Items below Apple Pay.
Call the issuers of your cards.