If you scratched many a watch case trying to pry a bezel off, this may the right tool for you.  The Swiss-Made Bergeon 4932 is a high quality professional watchmakers case knife that has a precisely beveled blade sharp enough to tackle even the tightest watch case backs or bezels and strong enough not to bend or break. 

This Bergeon 4932 Watch Case Knife Caseback & Bezel Opener is an essential part of any watch modder's toolkit. Removing bezels and casebacks has never been simpler.