New Case Back Press Machine With 11 Dies. This is a new case back press. This is great for closing snap back watch cases, installing bezel rings, friction inserting mineral crystals and battery changing. It has an angled leverage arm for proper closure. Don't destroy watch cases or case backs by using the wrong tool. This can be used on press type watch backs. Includes 11 dies. It measures approximately 6 1/4" x 6 5/8" (159 x 160 mm). We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.