49.00 mm case diameter, white double-sunk dial signed Illinois Watch Co., Arabic numerals with red outer chapter ring calibrated to 60 units, blued steel spade hands, subdial for seconds at 6 o'clock, foliate engraved case with monogrammed cartouche, polished cuvette, stem wound and set 23 jewel 3/4 plate lever set movement adjusted to temperature, isochronism and six positions with a two-tone wavy damaskeen finish signed SANGAMO Illinois Watch Co.
Movement number: 1418262.
Inner case stamp: KEYSTONE WATCHCASE 6942974. 
69.60 dwts.

Accompanied by the original box signed SANGAMO The Chief of the Illinois.