Aftermarket glass sapphire replacement cyclop 25.295C.Will fit models 1530, 1630, 16008, 16009, 16018, 16019, 16058, 16078, 16200, 16203, 16220, 16233, 16234, 16238, 16248, 16258, 16263, 16264, 16550, 16610, 16613, 16618, 16628, 16700, 16710, 16713, 16718, 16758, 16760, 16800, 16803, 16808, 17000, 17013, 18026, 18028, 18029, 18038, 18039, 18046, 18048, 18049, 18078, 18079, 18206, 18208, 18238, 18239, 18248, 18308, 18346, 18348, 18349, 18388, 18389, 19018, 19019, 19028, 116200, 116201, 116203, 116208, 116231, 116233, 116234, 116238Swiss Made Quality ProductDiameter 30.4mm Thickness 1.8mmSupplied with gasket 29.5mmHigh quality item for RolexPlease be aware price for 1 crystal