Preterism is the only eschatological system which stands or falls on the date of a book.
Furthermore, the dating of book of the Apocalypse has - the ancient syriac version starting with "written in Patmos, to which John was sent by Nero Caesar"
The book states that it was written in a time of persecution - rev1:9, 2:10, 12:11 -- Domitian didn't persecute Christians in the 90s-100. Nero did
Furthermore the book refers to the 7 Roman princeps - Caesar, Augustuc, Tiberius, Caligula, Claudius, Nero, Galba