The bracelets are awesome, but straps are what these watches are historically based on.
Here are a few of the outside movements that Panerai uses/has used.
Frédérique Piguet chrono
Zenith El Primero
Zenith Elite 680
JLC calibre.
"high beat" Zenith El Primero
GP Alarm
along with the many based on the Valjoux and Unitas/ETA movements.
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You either get it or you don't, if you have to ask, YOU DON'T!!
I really hope that midget cop doesn't find me in Kokomo.