Apple Watch S3 Restore issue
 

I keep getting a weird error when trying to restore an S3 Apple Watch.
It's the right firmware, right model.
Here is the error minus slashes because the messageboard thought it was a link:
[info] Using LOCAL IPSW CUserssDownloadsMFC_Watch3,1_15T212_4.3_n111sAP_GP S_Cellular_Restore_38mmipsw
[info] using cached version data
[info] Found device in Normal mode
[info] Identified device as Apple Watch S3, n111bap, Watch3,2
[info] Extracting BuildManifest from ipsw
[erro] Could not make sure this firmware is suitable for the current device. Refusing to continue.
[info] Failed

Any ideas?

Your watch is n111bap

and you select n111sAP

plus how to flash Apple Watch S3 ?