Cartier Rotonde de Cartier

The Rotonde de Cartier reference WHRO0064 from Cartier has a 45 mm titanium case. The case is 11.15 mm thick. Calibre 9507 MC is a manual-winding Manufacture movement, individually numbered, with 448 parts including 45 rubies. The movement runs at 21,600 vibrations per hour with a power reserve of approximately 84 hours. The watch has a minute repeater and a tourbillon. The display back has a sapphire crystal. Cartier rates the case to 30 metres. A black "Gomma" alligator leather strap is fitted, with an 18K white gold double adjustable deployant buckle.