Antique Rolex precision lever 7 worlds records platinette open face pocket watch

Case: case after carefully polishing, with marks of using, case size 46 mm without crown, inner cover signed by Rolex Watch Co 7 worlds records gpld medal swiss made  case nbr: 1140114 Movement: circa 1930 Rolex lever stem-winding movement,15 jewels, good working, serviced, abt 30 hours power reserve, marked Rolex lever Dial: metal guilloche dial in good condition with some marks of using,silver color, Arabic hours marks, signed "Rolex Presicion Lever 7 Worlds Records, blue steel hands, mineral glass