I'm rereading The Gentile Times Reconsidered,.... Chapter 5 covers all this EXACTLY.
I'd forgotten how thoroughly the biblical analysis was there tbh as I found all the info in the book overwhelming 1st time around having mainly concerned myself with the evidence presented.
Now rereading it carefully and having previously done my own open eyed study of all the relavent sections in the bible, I can now see Mr Jonson has it nailed. The logic is overwhelming once the blinkers come off.
I highly recommend the book. Eggnog if you havent read it then I suggest you do and like me probably more than once to get the full sense of it.
You may want to cross reference Egyption history against the bible accounts as well when it mentions the various pharoahs... not by just adding 20 years to ALL the worlds history like the WTS likes to do either!
In answer to my own problem,... yes you can disprove 607 using just the bible and some common sense. ...But it does require a willingness to SEE what the bible actually says.