Oh yes it does!
I would say, it’s more a mental thing than physical.
If you convince your mind you can, you’ll do amazing things!
Because of the time range, you can do as many reps as you can, so if you are a beginner you’ll do let’s say 4 reps in the range of 45 sec and if you are intermediate or advanced maybe you’ll do 15 reps.
It’s all up to you.
The reps don’t matter as long as you are consistent in what you do, and you are doing your personal best :)
Hope I helped!