GP wrote that a base-60 second hand is digital, but the second hand on a Rolex ticks at 5 steps IIRC. It is not clear to me that the natural numbers would exist

GP wrote that a base-60 second hand is digital, but the second hand on a Rolex ticks at 5 steps IIRC. It is not clear to me that the natural numbers would exist at all if human beings did not.