Among the fleet of new releases from the Schaffhausen brand this year comes this first IWC Pilot's Watch with a constant-force tourbillon. As a suitable setting for this exceptional mechanism - which is joined by a perpetual moon-phase display that remains accurate for 577.5 years and by an indicator for the 96 hours of power reserve delivered by the two barrels - IWC unveils hard gold. This innovative material is a variant of red gold whose modified microstructure makes it harder as well as five to ten times more wear-resistant than conventional gold. One detail that won't escape fans of the author and pilot Saint-Exupéry: the Little Prince's frail silhouette standing on the Moon, his scarf flying behind him.