The hands on the watch were made for some Heuer watches. They are just different colors, which can probably be painted.
There is, at the moment, a set of hour/minute hands for this watch (Carrera Ref. 1153) on sale at eBay. Not cheap, and not exactly the same shape.
View attachment 1731455
https://www.ebay.com/itm/325841456174Purchases made through these links may earn this site a commission from the eBay Partner Network
The question is whether your watchmaker can paint them and can work around the original radioactive tritium.
gatorcpa
PS - I have a very similar watch with a Gruen name. Only thing different is the branding on the dial and movement bridges.
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