FRANCK MULLER 18K Rose Gold Alligator 42mm 8080 CC AT Chronograph Mariner Automatic Watch in Black. This watch is crafted of 18 karat rose gold and features a black dial with bold Arabic numerals, blue and white hands, and black alligator band. Follow this item for alerts. Franck Muller is a registered trademark of Franck Muller. FASHIONPHILE is not affiliated with Franck Muller.