Yes, the timing machine will listen to the watch, compare the timing to its internal timer and then guess the beat rate to be whatever beat rate is closest to what it hears. If you speed up the balance it will eventually be identified as a having a 19.8k beat rate and tell you how it performs using that as a base.
You seem to be having a watch ticking at close to 18k but with gears expecting a 19.8k beat rate. I can not help you with further diagnostics, I am not that familiar with the differences and similarities between a 1560 and 1570 movement.
Good luck, and I hope someone more knowledgeable will show up soon to help you.
