For sure, it's just a convenient feature if you already have one. If you haven't used it, the flow is: 1) Double press the side button (not the crown)

For sure, it's just a convenient feature if you already have one. If you haven't used it, the flow is: 1) Double press the side button (not the crown) 2) Put watch on reader Optionally you can swipe left/right to change which card you're using, but it's immediately ready to go with the default one.