Cartier - a Santos De Cartier chronograph watch, 40mm. Cartier - a Santos De Cartier chronograph wrist watch. Stainless steel case with ADLC-coated bezel. Case width 40mm. Reference 4183, serial 399462BX. Signed automatic calibre 1904-CH3. Silvered dial with Roman numeral hour markers, subsidiary recorder dials to three, six and nine, date aperture to six. Fitted to a signed black rubber strap with stainless steel deployant clasp.