For sale is an excellent condition 36mm 18 karat yellow gold double row diamond bezel Cartier Ballon Blue. The WE900451 comes with box, papers, and appraisal from Cartier boutique. The Cartier is on a mint OEM crocodile strap and gold deployment buckle. The watch did have a little wrist time, there are some light scratches on the case back and 18 karat gold deployment buckle. The Ballon Blue is running very well, amplitude about 250 and showing +5 seconds a day with dial face up.