Doubled Domed Sapphire Crystal - 30mm diameter / 2.2mm Height

This double domed crystal with no AR Coating.  They are 1.5mm thick on the edges and 2.25mm in the middle. These are designed specifically for the AJuiceT PSC39 cases, but also compatible with watches that use a 30mm diameter crystal, such as the SNK809 and various other Seiko 5s.