Lazoon Posted April 13, 2009 Report Share Posted April 13, 2009 Does anyone here know if it is possible to remove the saphire crystal from a (Ruby) Speedmaster moonie & replace it with a plastic domed crystal. I've got several plastic domed crystals which match the diameter of the existing Speedmaster saphire crystal. I was hoping to push out the saphire & press fit & bond the plastic domed crystal (1.1mm thick) in its place. Any advice ? Lazoon. Quote Link to comment Share on other sites More sharing options...
Flashman Posted April 13, 2009 Report Share Posted April 13, 2009 Best option is to pop out the old one and see if the domed ones fit. You can get a simple crystal press to try it out with. Just be careful with the display back. Quote Link to comment Share on other sites More sharing options...
Lazoon Posted April 14, 2009 Author Report Share Posted April 14, 2009 (edited) Best option is to pop out the old one and see if the domed ones fit. You can get a simple crystal press to try it out with. Just be careful with the display back. I read somewhere that the plastic crystal will need to have an interference fit when fitted into the counterbore of the watch body. I have a number of various domed plastic crystals going up in 0.5mm diameter increments, I'm hoping that one of these will have a snug fit. I intend to remove the movement so as to give me free access from both sides. I'm currently looking on e-bay for a crystal remover. this will allow me to compress & reduce the overall diameter of the plastic crystal by 'a knats [censored]' & hopefully allow me to ease it into position. One of my main fears is accidentally damaging the bezel or getting glue on it. Do you know of a good quality crystal retaining glue (clear) that would help keep the replacement crystal in position? regards. lazoon. Edited April 14, 2009 by Lazoon Quote Link to comment Share on other sites More sharing options...
mastergod Posted April 28, 2009 Report Share Posted April 28, 2009 Hi Lazoon Considering this myself and am surprised that its not a commonplace mod. Please share your results dude! I Quote Link to comment Share on other sites More sharing options...
Noddy Posted May 3, 2009 Report Share Posted May 3, 2009 Do you know of a good quality crystal retaining glue (clear) that would help keep the replacement crystal in position? GS Hypo Cement - available from good hobby shops or any watch material house. Nice hollow needle applicator. An Indian knock-off crystal tool from Otto Frei runs about $26, twice that for the Bergeon. Quote Link to comment Share on other sites More sharing options...
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