So all Rolex quick set date change mechanisms have the capacity to change over within say +/- 60 seconds to midnight. Some GMT movements have a bit more slack in the dial train which can make this more challenging when aligning the hands. That said, if a watchmaker puts in the time and effort, greater precision IS absolutely achievable. Funny enough, of all the reels I've ever posted, this one so far has the most attention:
https://www.instagram.com/reel/C1UnG2irqdL/