ROLEX OYSTER PERPETUAL TWO TONE WRISTWATCH: 18K yellow gold and stainless steel date just watch with stainless steel case. Case number 16013. Serial number 8228322. The bezel and genuine Rolex crown are 18K. Champagne dial with standard Radium stick style hands, acrylic crystal. 27 jewel movement, caliber .035, serial number 115239, automatic winding. In good running order, pressure tests well for water resistance. CA. 1984.