Seal My New Girl Has A Mariah Carey Connection

8/3/2015 8:00 AM PDT

Seal enjoyed a romantic afternoon aboard a yacht in Amalfi, Italy ... and his new woman just happens to be former Australian model Erica Packer.

And yes ... that's Packer, as in the ex-wife of James Packer -- y'know, the billionaire guy dating Mariah Carey

Small world ... especially for the super rich.