Extra large size. 18kt rose gold case. Black hand-sewn full grain alligator strap. Guilloche silvered dial with central rose motif. Day and night complications and retrograde minutes. A disk indicates the day hours (sun) and night hours (moon). 18kt rose gold circular-grained crown set with a sapphire cabochon. 18kt rose gold adjustable deployment buckle. Mechanical movement with manual winding. Scratch resistant sapphire crystal. Transparent caseback. Case diameter 26.2mm. Case thickness 4.72mm. Water resistant at 30 meters (100 feet). Cartier Rotonde Jour et Nuit 18kt Rose Gold XL Mens Watch W1550051 