Question: How do I check a HDD’s total host writes, like how CrystalDiskInfo shows the total host writes for SSDs?

Answer:

So theres no way to show an actual number, such as 5 TB total write hosts so far, on a HDD?

For an HDD, there is a possible Workload Rate Limit.
For Seagate drives, that is possibly read by the SeaTools application.

Annualized Workload Rate | Seagate Support US
But that is not the same thing as TBW for an SSD. Spinning drives don’t wear out the same way.