Watch Back Case Opening Tool Case Back Remover For Omega-Seamaster Watches

New Professional Omega Seamaster Watch Case Back Opener This professional watch repair tool can be used to quickly and safely open omega watch back cases. There are 8 sizes for you. It's suitable for 5700 opening machine. Include 8 sizes: SEAM-5-020, SEAM-5-030, SEAM-5-033, SEAM-5-042, SEAM-6-020, SEAM-6-030, SEAM-6-033, SEAM-6-042