Cartier Santos Ronde Aviator W20038R3. Stainless steel and 18k gold 33mm case. This Limited Edition boutique only watch is in celebration of Cartier’s 150th Anniversary signified with a red ruby crown. Auto wind movement. Silver guilloche dial featuring GMT and power reserve indicator. Stainless steel and gold Santos bracelet with signature gold screws. Limited to 1847 pieces world wide.