How to connect Apple Watch to iPad?

"Learn how to set up your new Apple Watch with your iPhone" by reading the information in this support article -->

Set up your Apple Watch - Apple Support

"To set up and use your Apple Watch, you need an iPhone with the latest version of iOS."

Again, it requires an iPhone, not an iPad, not a Mac computer, or a PC, or an Android.

If you know somebody with an iPhone you can see if you can come to an arrangement using this method: Set up Apple Watch for a family member - Apple Support