THIS IS A SUPERB EXAMPLE OF A HAMILTON MILITARY WATCH THAT IS IN GOOD CONDITION WORKING WELL AND KEEPING TIME, THE BACK OF THE CASE IS MARKED WITH THE MILITARY ARROW, 523-8290, W10 6645-99, 2XXX/75. THE ORIGINAL HANDS AND DIAL ARE ALSO IN GOOD CONDITION,THE MOVEMENT IS RUNNING STRONGLY AND HAS THE HACK FEATURE.THE WATCH COMES ON A NATO STRAP.