What Apple Watch Do I Have? Updated January 18, 2018 04:46 Follow instructions here: https://support.apple.com/en-us/HT204507 Related articles Is KardiaBand water resistant? Will SmartRhythm affect Apple Watch battery life? If so, will I need to charge my Apple Watch daily? How do I install the Kardia watch app to my Apple watch? The Kardia watch app is not listed for installation in the "Watch"? Does the KardiaBand use my watch's battery?