dynhm6
6
I was able to remove the remainder of the screw by…
…modifying an extra screwdriver similar to the way you suggested and, then, I was able to back the screw piece out:

So, case solved.
Thank you!
I always do (take pics)…
By: dynhm6 : September 19th, 2012-19:13
…I'm awaiting a new detent and to find out whether I can use Rolex oils on the 23-300 (the Patek service manual specs some oils I'm not familiar with, but, generally, I've found that if it's good enough for Rolex....), so I don't have any after (clean/ass...