Most GoTo EQ mounts can track without guiding with a cam - however it is the quality of the guiding results that will determine the cut-off point whereby you have to resort to using a cam to autoguide
If you can easily get 60secs guiding out-of-the-box experience with the Skywatcher et al - then you're lucky to have one that does so
I had to "tweak" my EQ6 Pro (have had 2 of them) before they could give me up to 2 - 4 mins but they don't now anymore!
YMMV
HTH
Cheers
Bill
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