.. your watch more, trying to polish it yourself or let Bamford touch it.
Even if you knew what you were doing, the techs at PP get training and practice and eventually are qualified to perform tasks like this. You have one watch and one shot to get it right and hope its to the same standards as a 180 year old company considered masters in their field.
Give it a kiss, Wrap it up nice, and send it to PP.
In about 6 months you will get it back and it will be worth it. Or wear the dings and scratches with pride, like I do.