How to determine your Apple Watch size

We're dedicated tohelping you make the most of your Apple Watch experience. One crucial aspect of choosing the perfect watch band is knowing the size ofyour Apple Watch.

Method 1: Back of Apple Watch

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

Apple Watch 表壳尺寸

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:

Placing Your Order

When placing your order, select the proper size from the drop down menu: 



You would select "38mm, 40mm or 41mm" if your Apple Watch is: 

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

And select "42mm, 44mm or 45mm" if your Apple Watch is:

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

Or select "49mm" if your Apple Watch is:

  • 49mm Apple Watch Ultra 1, 2