Pre-owned Rolex Datejust 178240, in excellent conditions, full set, with a black dial with roman numbers. An all steel Datejust that combines the best features of the 1945 original with a stunning white dial. The ref. 178240 hails from the Datejust series. Instead of a traditional 26mm or 28mm ladies case, this mid-size example features a slightly larger 31mm case. It's still feminine while exuding a level of contemporary styling that many collectors seek. Brand: Rolex Model: Datejust 31 Reference: 178240 Case Material: Steel Movement: Automatic Dimension: 31 Mm Dial: Black Roman Bezel: Steel Crystal: Sapphire Bracelet Type: Oyster Bracelet Material: Steel Bracelet Lenght: 17 Cm Original Box: Yes Original Papers: Yes Condition: Very Good