Cartier Ronde Solo de Cartier Mens Watch W6700455. 18kt yellow gold case with a black leather strap. Fixed 18kt yellow gold bezel. Silver dial with blue hands and Roman numeral hour markers. 24 hour markings. Minute markers around an inner ring. Quartz movement. Scratch resistant sapphire crystal. 18k yellow gold circular grained crown set with spinel cabochon. 18kt yellow gold and steel case back. Case diameter: 36 mm. Case thickness: 6.51 mm. Round case shape. Band width: 20 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: hours, minutes, date.