Rolex Daytona Cosmograph (116598RBOW) self - winding automatic watch, features a 40mm 18k yellow gold case with a rainbow sapphire bezel and diamond lugs surrounding a black diamond dial on an 18k yellow gold Oyster bracelet with folding buckle. Functions include hours, minutes, small seconds, chronograph and tachymeter. This watch does not have box or papers. Scattered Serial. We back this watch with a 2-Year Watchbox warranty!