https://www.iphonelife.com/content/how-to-use-your-iphone-to-mirror-your-apple-watch
Using Apple Watch Screen Mirroring, you can control your Apple Watch via your iPhone to more easily access menu items and controls.
watchOS 9.
Sometimes, the Apple Watch screen is just too small. And while most of us wouldn’t want a bigger watch on our wrists to fix that problem, it might be nice to be able to more easily maneuver the screen from time to time. That’s why I’m loving the Apple Watch Mirroring feature on your iPhone. It allows you to navigate your Apple Watch from your iPhone, making certain hard-to-read-menu items and hard-to-press buttons a lot easier to read and press.
Open the Settings app on the iPhone
Scroll down and tap Accessibility
Tap Apple Watch Mirroring and enable it on the next screenNow, you can control your Apple Watch by tapping on the image like you would the Apple watch. You can also press the crown and side button, as well as drag your finger up and down over the crown to scroll.
Tap the “x” in the corner to close Apple Watch Mirroring…