With the Apple Watch and Apple Pay, paying a tab or bill is as easy as waiving your wrist.
Apple Pay currently lets you pay for things on iPhone 6 and 6 Plus by tapping your phone and verifying your thumbprint via Touch ID. Apple Watch not only makes Apple Pay more convenient than ever, it also brings point of sale support for Apple Pay to older devices that don't have NFC (near-field-communication) built-in. In this case, that means iPhone 5, 5c, and 5s owners with Apple Watches can now take full advantage of Apple Pay.
As long as you're within the United States and have a credit or debit card from a supported bank, you can start using Apple Pay on your Apple Watch right now. Here's everything you need to know!
Full story from the iMore Blog...