Pre-Owned Rolex Sea-Dweller 4000 (116600) self-winding automatic watch, features a 40mm stainless steel case with a black Cerachrom bezel surrounding a black dial on a stainless steel Oyster bracelet with folding buckle. Functions include hours, minutes, seconds, date and helium release valve. This watch comes with the original box and warranty. Scattered Serial. We back this watch with a 15-month warranty!