The Xperia PRO may have arrived a year late, but it remains the only smartphone that could actually be used in a professional workflow. Sony's most expensive smartphone can take a beating too, even though it has a plastic body.
https://www.notebookcheck.net/The-Sony-Xperia-PRO-holds-up-well-in-durability-test-despite-its-plastic-body.527079.0.html