Luminous dot detached - restore or discard?

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Hi all,

I'm about to service my Omega Genève 166.0173. I already acquired the new crystal. I'm not sure what to ask to my watchmaker about the luminous dot that got detached from 3 o'clock. It's currently trailing along the dial. Is it possible to reattach it with a micro drop of glue? Or it's better to throw it away?
 
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But don't use the precision applicator. Put some on a small non-porous surface (old watch crystal) and use the finest needle you can find to apply a drop.

Practice putting drops on an old dial or similar to get a feel for what's needed.
Use a sliver of clean Rodico or a silicone stick to lift and position the lume dot after the glue dot has has about 5 seconds to get tacky.
 
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Thanks, my watchmaker told me that if the dot is in good shape, he will reattach it with the glue.
 
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OK, so the watchmaker tried to pick the lume ball and it immediately got disintegrated. However, he changed the glass and the watch looks amazing!
 
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Interesting thread. I never gave much thought to what id do if one of my lume plots fell off. Thanks for highlighting this. And the watch looks great!