Cartier Reversible Tank Cartier Tank Reversible series was born in 1932, which is the predecessor of Tank Basculante today. It is based on its famous rectangular tank, plus the function of turning the watch body. This function is called Cabriolet. , French means a carriage with a canopy. The canopy is retracted in the form of a turning process. The case is of electric platinum quality. It is matched with an American alligator leather strap with a length of 31m and a width of 26 and a thickness of 6.5.