Watch clasp scratches - some advise please

I would strongly recommend not using the procedure shown there. Using a wheel that is narrower than the surface you are refinishing can lead to a very poor result. You can very easily create an uneven surface that will require even more material removal (by someone who knows how to do the job properly) in order to make it even again.

If the scratches are deep, you should polish them out first...for example this bracelet came in with some engraving on the clasp:



I used a hard felt buff with compound to remove the engraving and surrounding scratches:





Then the appropriate satin finish wheel was used to apply the brushed finish:



Remainder of the bracelet was also refinished - before and after:



If you are just removing fairly light scratches as are shown in the first post, then using Scotchbrite is probably the least risky method.

Cheers, Al