10k yellow gold-filled fully marked 23 jewel 60 hour Bunn Special, circa 1929. Double-sunk porcelain dial with black Arabic numerals, minute markers signed Illinois Bunn Special and marked both 23 jewel and 60 hour with one small hairline at 27 going to the subsidiary constant seconds dial. 10k yellow gold Bunn Special Wadsworth case. Stem wind, lever set 23 jewel 60 hour motor barrel Bunn Special movement, serial number 5068436 in working condition.