Generic (not original) sapphire crystal with calendar bubble, RLX Cyclop 295C, part number 25-295C, fits case number 1530, 1630, 16000, 16008, 16009, 16018, 16019, 16078 16200, 16203, 16220, 16233, 16258, 16550, 16570, 16610, 16613, 16618, 16710, 16758, 16760, 16800, 16803, 16808, 17000, 17013, 17014, 18026, 18028, 18029, 18038, 18039, 18046, 18048, 18049, 18078, 18079, 18129, 18200, 18238, 18239, 19018, 19018N, 1919, 19019N, 76213, 76214, 116233. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Rolex®. Rolex® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.