Congratulations on your new Apple Watch!
Your current set of adapters might also fit your new Apple Watch.
If you changed your case size from 38/40/41mm to a new 38/40/41mm watch, your current adapters should be compatible with your new watch. This also applies if you changed your case size from a 42/44/45mm watch to a new 42/44/45mm watch.
Please watch this video which demonstrates how to size your Mudra Band with the current adapters:
If you changed your case size from 38/40/41mm to a new 42/44/45mm watch or vice versa, you may need a new set of adapters. Please contact us at firstname.lastname@example.org.