Very nice watch! Elinvar hairspring, adjusted temp and 6 positions, double roller, motor barrel, gold jewel settings, gold train, running! Inside the case back is marked: Bunn Special Model Wadsworth Quality 10 Karat Gold Filled Pat's Pend'g 7550064. Illinois Pocket Watch! The case is in good condition, there are small areas of wear-through on the bow/crown area, and there are small areas along the edge.