How to tell if the Apple Watch you're about to buy has pulse oximetry

Starting January 18, Apple will sell the Apple Watch Series 9 and Apple Watch Ultra 2 with pulse oximetry disabled in software. Here's how to tell if an Apple Watch has pulse oximetry or doesn't.How to tell if your Apple Watch has pulse oximetryApple has a how to identify your Apple Watch webpage. It's great for figuring out generally which model you have, but it still has yet to be updated with one key feature — how to tell if an Apple Watch has pulse oximetry.There's one way to tell. Check the part number on the Apple Watch. Continue Reading on AppleInsider | Discuss on our Forums