Circa 1980 Cartier Santos Octagon Mid Size Wrist Watch, 30 M.M. 3 piece Octagon Water proof case, Automatic, self winding movement, White dial with Black Roman numerals, sweep seconds hand and a Calendar window at the 3 position. Sapphire Crown. 5/8 inch wide Santos Bracelet with fold over Deployment clasp. Wrist size 7 inches. Recently serviced by a Cartier certified technician and comes with a one year warranty.