*** COLLECTOR ALERT ***Near Mint Condition HAMILTONFactory CaseModel "11" Maker:  Keystone, Made for - Hamilton Watch Case Co.Material:  10K Gold filledSerial Number:  K159481Crystal:  Acrylic Check out all the High Resolution pictures for detail condition of the case

NOTE:  There is only 1 set (pair) of case screw that housed Hamilton 992B movement