16 SIZE HAMILTON MODEL 23 19 JEWEL MILITARY CHRONOGRAPH POCKET WATCH. THIS COLLECTIBLE HAMILTON POCKETWATCH IS HOUSED IN IT'S ORIGINAL WHITE METAL SCREW BACK AND BEZEL CASE IN EXCELLENT CONDITION. THE ORIGINAL 19 JEWEL MODEL 23 CHRONOGRAPH MOVEMENT RUNS, SETS, AND WINDS LIKE NEW AND KEEPS EXCELLENT TIME AND ALL FUNCTIONS WORK AS NEW INCLUDING THE CHRONOGRAPH FUNCTIONS. THE ORIGINAL BLACK HAMILTON MILITARY DIAL IS IN EXCELLENT CONDITION AS WELL. IT YOU ARE A HAMILTON COLLECTOR WHO DESIRES THE BEST THIS GREAT MODEL 23 CHRONOGRAPH IS SURE TO PLEASE.