Antique 1907 Ball Grade: Official Standard 16s & 17j railroad pocket watch that is 119 years old and runs great and keeps very good time. The watch is a Grade: Official Standard and Model 1899. It is stem wind and lever set. It is a size 16s with 17 gold set jewels. The Single-Sunk dial is very nice. The crystal has some scratches but you can still see the dial fine. The watch has has a circular nickel movement pattern. The watch has a tip-out movement that goes in and out nicely. The case is Silveroid and marked Ball Model on inside of case. It has a 3/4 Plate, Solid Gold Center Wheel, Sapphire Pallets, Reed Regulator, Breguet Hairspring and is Adjusted to 5 Positions and Temperature and Isochronism. It is a Class A railroad pocket watch.