Cartier Calibre de Cartier Automatic Watch WF100003

42mm 18K white gold case, diamond bezel, silvered and snailed opaline dial with black transferred Roman numerals, automatic winding caliber 1904-PS MC movement with calendar aperture at 3 o'clock and subsidiary second counter at 6 o'clock, alligator strap with 18K white gold double adjustable deployant buckle. Water resistant to 30 meters.