Watchmakers G-S Hypo Cement Polywatch Scratch Remover. G-S Hypo Cement. This is a new tube of G-S hypo cement. Great for model building, ceramic and plastic repair, fly fishing lures, watch crystals, jewelry repair, bead crafts, fine screw locking and industrial applications. Precision applicator for fine detail work. Mess free, non-brittle and dries clear. This tube contains 0.33 fl oz (9.75 ml). PolyWatch Scratch Remover Polish. This is a new tube of polyWatch scratch remover polish. This removes scratches from plastic watch crystals. Apply a small amount of polyWatch to the crystal and polish with a cotton cloth. The scratches will disappear and the surface of the crystals will look as good as new. It is a 5 gram tube that is sufficient for approximately 10-12 uses. 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.