Any tips to prevent further cracking of tritium?

[Supreme18]

Hi everyone

My 5513 from 1984 has part of the tritium fall off somehow on one of the hands. Only a tiny bit and not really noticeable but don’t want it getting worse. I don’t want to try and get someone to fill the gap but also don’t want any further bits falling off of course. Any advice or tips or things specialists can do to stop any further bits falling off? Or is it just a case of hope for the best considering a vintage watch and this can happen

Long term may buy new set of hands with matching patina but that’s a difficult job to find ones that will match perfectly

[Spoonage]

Don't know the details but I recall reading somewhere that some restorers can apply a stabilizer which doesn't really fill in or replace the tritium. I think it's applied on the backside to preserve as much of the look as possible.

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[Tools]

If you have a crack down the middle, there is nothing to support more of it from crumbling.

The fix is to put a backing on the hand, then seal it and the hand together with either clear, or a tinted mix to match the hands to other discolored hands.

You have to support across the crack, there is no other way to keep it together.

[1watch]

Agree with comment about hand stabilizing from behind. This is a good practice to ensure current fissures have some support. No guarantees, but I would do that and not subject the watch to hard knocks or excessive vibrations when wearing.