In 2010, Cartier released the Calibre de Cartier, their first mass-produced watch with an in-house movement. This was a big deal, as only a few of their high-end watches had this feature before. The round case is modern and eye-catching, with traditional sword-shaped hands and Roman numerals to give it that classic Cartier touch. The collection expanded in 2011 with the addition of a bracelet option, followed by a chronograph in 2012. In 2015, a smaller 38mm version joined the lineup. The Calibre de Cartier Chronograph (reference W7100042) boasts a stainless steel case with a pink gold bezel and a silver dial, paired with a stylish stainless