After reading that post it seems every beat moves the second hand. Twice for each full cycle / hertz.Each beat is half a cycle, or one turn of the balance wheel in one direction. 8 beats per second = 4 hz. The second hand moves for each tick.
A breakdown of beats per hour is in this post:
Yep. Consider what is happening - With each tick, the escape wheel is released by one pallet stone to turn just a little, till it is stopped by the other stone, so the movement creeps forward just a little.After reading that post it seems every beat moves the second hand. Twice for each full cycle / hertz.