MODEL: 179138 S/NO: "G798xxx" SERIES BOX & CERT DATED OCT 2015. Chronometer in 18K yellow gold case 26mm, fitted with original Rolex 18K yellow gold diamond bezel, Special original Rolex full paved diamond dial with Roman index markers. Original Rolex 18K yellow gold president bracelet at 99% mint condition, automatic movement 2235, sapphire crystal.