New Watch Case Back Press. This is a new micro press. It is used for closing snap on case backs. This press is believed to be the finest available. The threaded system of operation allows for even and complete control of the pressure needed to close the back. Includes 10 nylon dies. It has a metal base for support. It measures approximately 4" x 3 1/16" x 1 13/16" (102 x 77 x 45 mm).