Corum’s Challenge 48 “Black Flag”is a fusion of deep black and luminescent blue, with the bright colors of the signature nautical pennants noticeably missing. This Limited Edition of 100 pieces is exclusive to the United States. It will be unveiled in a lead launch by Tourneau at an event on November 20th at its King of Prussia, PA location.The Admiral’s Cup collection embodies CORUM’s sporty side. Immediately identifiable by their 12-sided cases, these models have been intriguing fine watchmaking enthusiasts since 1960, when the collection was introduced. Bearing the name of a legendary international regatta, this line is one of the brand’s four mainstays, along with the Romvlvs, Golden Bridge and Specialty Watches. Today, the line is adding an uncompromising black titanium version enhanced with key details highlighted with blue Superluminova. This limited-edition watch confirms CORUM’s place as a standard of reference among watchmakers.Built as an extreme sports chronograph that perpetuates the legend of the Admiral’s Cup, the Admiral’s Cup Challenge 48 “Black Flag” features a black titanium case holding an automatic chronograph movement with COSC chronometer certification. Chosen for its excellent resilience and lightness, the titanium minimizes the weight and protects the robust automatic movement. This CO-753 caliber, which provides the chronograph function in addition to hours, minutes, seconds and date, operates at a frequency of 28,800 vibrations per hour and has a 42-hour power reserve.