System in Package (SIP) module with its ribbon cable unit which connects to the display assembly. Apple doesn’t offer the cables as a serviceable spare to their repair depots. The full SIP will need to be swapped out. If you can find a watch for parts you might be able transfer the cable unit but its not easy!
If you damaged the shielding part you might be OK. I use some conductive copper foil which I insulate on top to connect the two parts together after exposing some of the copper for the foil to connect to 3M RF EMI Copper Foil Shielding
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