Apple Watch SE does not work with iPhone 6
Why won’t my Watch does not work if iPhone 6 is at home.?
[Re-Titled by Moderator]
Apple Watch Series 3, watchOS 8
Question marked as
watchOS 11 requires an iphone that run ios18
watchOS 10 requires an iphone that run ios17
watchOS 9 requires an iphone that run ios16
...
iphone 6 can't be updated past Last: iOS 12.5.7, released January 23, 2023[9]
more Apple Watch and iPhone compatibility - Apple Support (AL)
you would have to find a really old maybe secondhand apple watch to get it working with
an iphone6