Simply put, any exhibition back PAM shouldn't even be in this thread... anyone who knows Panerai can tell the difference at a glance.... specifically, the font on the handwinds (bridge) and the autos (rotor) is off...
With the autos... out of the box, they're good but not great... I have a 2893-2 powered 063 which is about to go to ziggy along with a gen crown, lello datewheel, and the new pimpy chieftang cyclops.... it'll be very close...
Anyone wanting a close Panerai should either stick to closed caseback examples, or autos... but with the autos, buy a gen crown off ebay from the turkish seller (i own 5 of these now) and you'll be good to go...
Just remembered, I have a ziggy lume 188 with the lello datewheel and gen crown in hand for that one... it'll be fairly close after the mods....