What Apple Watch Do I Have? Updated January 18, 2018 04:46 Follow instructions here: https://support.apple.com/en-us/HT204507 Related articles How do I get a clean signal with KardiaBand? Is KardiaBand water resistant? What Countries is the KardiaBand sold in? How tight does the KardiaBand need to be on your wrist? Does the KardiaBand use my watch's battery?