Datejust “Rolex Arts Advisory Board 2013”Ref. 178240No. S70587483Ladies' steel wristwatchCase: round, screw-down crown and case back, smooth bezel, case back inscribed “Rolex Arts AdvisoryBoard 2013”, signedDial: white, applied baton hour markers and luminescent hands, central seconds hand, railway minute track and date window, signedMovement: automatic, chronometer certified, signedBracelet/Clasp: Oyster steel with folding clasp (9ER), end links 6WA 78160, signedDiameter: 31 mmWrist circumference: 14 cmThis watch, signed on the back, recalls the fact that Cindy Sherman received this watch as a gift from Rolex, as a member of the Rolex Mentor and Protégé Arts Initiative.