Incorrect Apple watch compatibility
Your web says ANY iphone is compatible with the Apple watch. This is not true. Only iphone SE or later is compatible with the Apple watch 9
Windows, Windows 10
See the footnote at the end of:
Apple Watch Series 9 - Technical Specifications
"Apple Watch Ultra 2, Apple Watch Series 9, and Apple Watch SE require iPhone Xs or later with iOS 17 or later."
BTW, this is a user-to-user forum. No one here (with VERY limited exceptions) works for Apple.