How to determine your Apple Watch size

Method 1: Back of Apple Watch

To find your case size and more information, check the engraving on the back of your Apple Watch.

Method 2: Watch App on iPhone

Start by opening the "Watch" app on your iPhone

Apple Watch App

Select "All Watches" on the top left of your screen once in the app:

You can then verify the case / watch size of your Apple Watch:

Find Your Perfect Fit: Just Select the Appropriate Size.

Select "49mm" if your Apple Watch is:

Or select "46mm / 45mm / 44mm " if your Apple Watch is:

Or select "42mm / 41mm / 40mm" if your Apple Watch is: