Perrelet watch double rotor diamonds a10991 known as a pioneer and pillar of the watch making industry perrelet are behind some of the most visually stunning and technically proficient timepieces in the industry the perrelet first class double rotor collection has a unique elegance that provides a dial side view of the automatic winding mechanism an achievement the brand is celebrated worldwide for defined by its double rotor that twirls captivatingly across the white dial this perrele