There are quite of a few of those about, I have a Vostok 24 hour watch and it's a nice conversational piece. Rateka also makes a well-regarded 24 hour dial. B

There are quite of a few of those about, I have a Vostok 24 hour watch and it's a nice conversational piece. Rateka also makes a well-regarded 24 hour dial. Both easily available for €100 or so, though only the vostoks are automatic.