Rolex GMT-Master II Black&Green Surface 41mm Men Watch-RM3804Movement: AutomaticGender: MenDiameter: 41 mmCase: 18k yellow gold plated stainless steel caseBezel: Gold-toned stainless steel cutwork bezel with enameled top containing luminous seconds and minutesCrown: 18k yellow gold plated steel cutwork crown with Rolex logoBack: 18k yellow gold plated stainless steel push-in case backBracelet: 18k yellow gold plated stainless steel link bracelet with Rolex engraving deployment clasp displaying the Rolex logo