1 week old rolex, nearmiss with disaster

[kevblah]

bought my hulk brand new last sunday, they took a few links out for me

a week later, i was working this morning and noticed out of the corner of my eye a link screw peeking out from my watch

i was horrified to see this as i would never expect this happen to a one week old rolex

i screwed it back down with a business card, but if it happened once im sure it will happen again. what should i do? im thinking about ordering the tool (screwdriver) to tighten down the screws.