MODEL: 126660 S/NO: "AN" SERIES BOX & CERT DATED FEB 2020. Chronometer in stainless steel case 44mm, original Rolex stainless oyster bracelet. Graduated rotatable stainless steel bezel with black ceramic insert. The special oyster case with gas escape valve for saturation diving and with shoulder protecting the Rolex trip lock winding-crown. Waterproof to 12800 feet. Automatic movement, 99% mint unpolished condition.