OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.
| ✗ | Apple Watch (42mm) | watchOS 2.2.1 (13V420) | April 20, 2016 | 702 MiB | cc43b650ba52e0c206b169240acd605acd64617f.zip |
| ✗ | Apple Watch (42mm) | watchOS 2.2.1 (13V413) | April 6, 2016 | 702 MiB | 5244e29002df3cc89ec5bf69662a143bfe846d72.zip |
| ✗ | Apple Watch (38mm) | watchOS 2.2.1 (13V420) | April 20, 2016 | 701 MiB | e2afd5860d78c0fe5416b5441ab2013429680ff5.zip |
| ✗ | Apple Watch (38mm) | watchOS 2.2.1 (13V413) | April 6, 2016 | 701 MiB | 7ca88146b5f51cf4cc626309765575551a8803f8.zip |