technical variations when françois-paul journe decided to create a range of ... he had two main goals to enhance rating performance and to offer a collection in which all ... construction of such a calibre françois-paul journe succed in bringing together ... winding movement with sufficient power-reserve to ensure precisiontimekeeping during ... classically built watches with a long power-reserve suffer from the fact that their small ... disturbances on the wrist françois-paul journe therefore imagined a compact ... set to oscillate at a frequency of 21 600 vibrations per hour and is dynamically ... poised in the five possiblepositions of the watch the inertia blocks enable ...