Yes, if they are antique and beautifully made then they will be expensive. I can't afford expensive pocket watches. My nephew who is a watchmaker tell me that unless one is willing to spend one thousand dollars or more mechanical movement watches are likely to be fairly low quality. And in the price range I am interested in twenty to forty dollar watches and they are - as he put it but with me censoring a little - excrement.
I'm not sure that the 1000 dollar (presumably AUD?) threshold is entirely fair.
If you want a top-end Swiss movement you are going to have to pay for it. But there are some pretty good movements coming out of China these days. Sufficiently good that the British Horological Institute is willing to sell them. A while back I saw a wristwatch (admittedly not a pocket watch) but it had a tourbillon-based movement and still came in under GBP400. At current exchange rates that's probably not far shy of AUD1000, but if you don't need the tourbillon movement you can go cheaper. And my rather elderly Elgin pocket watch (it's a ladies watch that my wife inherited, with no idea of just where it went through the family tree) has a very nice movement with 17 jewels and is probably only worth maybe USD2-300. A good part of that value is the gold case.
I have seen a few (rather optimistic, IMO) antique dealers selling old pocket watches with parts missing (when I say parts missing I mean things like a pocket watch that is missing a hand) who don't want anyone trying to wind the watch but still expect someone to pay USD150 for it. One time I looked at one and as soon as I realised the dealer didn't want me winding it I just put it back and said if I couldn't wind it to see if it worked I wasn't going to pay anything like USD150 for it.
Broken clocks and watches can be fun. I've bought a few dead clocks and fixed them up. I think my best catch was a guy who bought one from an antique dealer and got it home to find it didn't run. He didn't call the dealer, he didn't spend 30 seconds on Google, he sold it on ebay instead. So I had it, and it took me 30 seconds to get it running. It's a nice clock too