Welcome to the forum.
It would certainly be nice to have this fixed up as a momento of your late father.
Unfortunately, without additional information as noted above, it would be hard to make any specific comments about your watch. Clearly, the dial has some issues - are you thinking to keep it as is or source a period replacement dial? It's not that unattractive as is but not everyone wants such patina.
Have a Watchmaker open it and try and get the model number, calibre and serial number. The latter two will be on the movement.
Regards, Chris
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