A recall in todays computerised era of hundreds of thousands cars would i think be a far easier task no matter what the logistical challenges then a recall of a few hundred watches in the late 50's.
If it was me, I would hesitate in sending my Rolex back to be played around with, even if did receive the information pak.
As posted above, a majority of the watches did pass the safe radiation test, so I am not really sure what the fuss is about.