Chime Bank Apple Watch. That the chime app ran on. And may be used everywhere visa debit cards are accepted.

You can load your chime visa debit card to the apple watch app on the paired iphone. Track your spending, link your other bank accounts, and save money. When you bank with chime, you get a visa® debit card, a spending account, and an optional savings account to help you save money.
Banking services provided by the bancorp bank or stride bank, n.a., members fdic.
And may be used everywhere visa. The chime visa ® credit builder card is issued by stride bank pursuant to a license from visa u.s.a. The symbol is red when apple watch needs power and turns green when apple watch is charging. And may be used everywhere visa.