Apple Watch Band Compatibility & Solo Loop Sizer

Check if bands fit your Apple Watch Series 10, Ultra, or older series. Calculate your exact Solo Loop size with our interactive wrist sizer.

Frequently Asked Questions

Do 45mm bands fit the new Series 10 46mm Apple Watch?

Yes! 44mm, 45mm, 46mm, and 49mm bands all share the Large Case lug standard and are 100% interchangeable.