It will be used by my dad only so won't be using it nd he doesn't uses these features for payment. Better check YouTube wud be much better to get the info.
Samsung has announced that the Galaxy Watch 6 series supports Tap & Pay (NFC payments) in India via Samsung Wallet.
www.sammobile.com
Also, it would work only with merchants that support Samsung Wallet.
Working with all terminals is a thing of the past when magnetic secure transmission used to be supported, but that has been discontinued in faviour of RFID.