How to check 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:

  • 49mm Apple Watch Ultra / Ultra 2

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

  • 46mm Apple Watch Series 10
  • 45mm Apple Watch Series 7, 8, 9
  • 44mm Apple Watch Series 6, 5, 4 or SE
  • 42mm Apple Watch Series 3, 2, or 1

Or select "41mm / 40mm / 38mm" if your Apple Watch is:

  • 42mm Apple Watch Series 10
  • 41mm Apple Watch Series 7, 8, 9
  • 40mm Apple Watch Series 6, 5, 4 or SE
  • 38mm Apple Watch Series 3, 2, or 1