Cartier Calibre de Cartier Collection

Cartier launched the Calibre de Cartier in 2010 around the 1904 MC, an automatic movement made in-house and named after the year of the first Santos wristwatch. The movement has two barrels, a 48-hour power reserve and hacking seconds. The 42 mm case has a heavy crown guard with exposed screws, and the dial pairs large Roman numerals at the top with a small seconds dial below. It was made in steel, rose gold and two-tone.