New Case Back Press Machine With 28 Dies This is a new watch case back press This is great for closing snap back watch cases, installing Bezel rings, friction inserting mineral crystals and battery changing Fourteen reversible, turned aluminum dies with 28 sizes It has an angled leverage arm for proper closure Don't destroy watch cases or case backs by using the wrong tool This combo closer will give you years of satisfaction and service This case press can press Bulova, Rolex, Movado, Gruen, Longines, Accutron, Tag Heuer and Fossil press type watch backs It measures approximately 6 11/16" x 5 1/2" x 2 7/16" (169 x 140 x 61 mm)