Your watch is a gold ladies Rolex. 1950 -1960. Collectors item. Very valuable. You can contact Rolex on line and furnish them the serial number. The would be glad to give you all pertinent information. Price? You have to bring it to an authorized Rolex dealer. But first get the info from Rolex. There are plenty of watch dealers who specialize in antique/old/vintage/rare watches. contact: watchblvd.com/rare. Good Luck