Classic, self-assured style for today's man from Cartier... Must Tank Solo men's watch is elegant, refined and masculine. Updated contemporary lines evoke the spirit of legendary designs first created by Cartier in the early Twentieth Century. Handsome polished steel tank case is presented on the attractive black alligator strap. Satin finished steel bezel frames the rhodium colored dial with blue hands and black Roman numeral hour markers. Scratch resistant sapphire crystal. Granular decorated crown is topped with a blue sapphire cabochon. Water resistant to 30 meters (100 feet). Alligator strap has a convenient deployment clasp. Cartier precise Swiss quartz movement. Case is 27.5mm wide and 6mm thick.