Has 4 blades that surround the bezel, then just turn the handle to close them popping off the bezel or case back. Effective good quality watch bezel remover tool. A and snap on case back opener. Simple to use.
52mm Watch Bezel Opener Remover Tool Fits Rolex Deepsea Swiss Replacement Blade
It will allow you to grip the watch bezel precisely and will prevent from scratching or marks on your expensive watch case. You can remove Retaining Ring from Sports model which include Submariner, Gmt, Turnograph and others.