At a certain temperature a stage will be reached in which it is a frequent occurrence for a molecule to wander so far from its position of equilibrium, that it does not return but falls into a new position of equilibrium and oscillates about this.
The main differences between the two watches are the exceptional LV 277 caliber movement that oscillates at 36,000/h and the chronograph function which measure hours, minutes, and one-fifth of a second.