50.00 mm case diameter, white double-sunk dial signed Illinois Bunn Special, Arabic numerals with black red outer chapter ring calibrated to 60 units, blued steel spade hands, subdial for seconds at 6 o'clock, polished bezel, polished case, stem wound and lever set 23 jewel 3/4 plate nickel movement adjusted to temperature and six positions with 60-hour motor barrel signed Bunn Special Illinois Watch.
Movement number: 5305404.
Inner case back stamp: ILLINOIS Bunn Special CASE MODEL # 28 KEYSTONE WATCH CASE J.BOSS 10K GOLDFILLED 9713904.