And these animals may very well be making use of not only the force and the energy stored with that specialized spring, but the extremes of the fluid dynamics. And they might actually be making use of fluid dynamics as a second force for breaking the snail.

Instead, they paid far more for clunkier watches that can lose minutes every month, and that will stop if you forget to wind them for a day or two (if they have an automatic mechanism, they will stop if you don t move them).