60-meter "Seven" Launches At Perini Navi Italian yard Perini Navi launched their newest sailing yacht over the weekend. This luxury yacht is the third unit in their 60-meter line which to-date consists of the "Seahawk" and "Perseus 3". The owners were on hand for the launching of the new yacht which was christened as "Seven". Ron Holland was responsible for the Naval Architecture along with Perini Navi on the exterior design. The interior was penned by Dante O. Benini & Partners.