Wow – your NSX is definitely model year 1999 („X“) – extremely rare in Europe!
This NSX (JHMNA1270XT000005, black, NSX-T, 4-speed AT F-Matic, C30A engine) in GB/UK …
https://plans.smugmug.com/N5-XTF
… is, in fact, the only 1999 model I could find so far in Europe at all!
Btw – „W“= 1998...