BALL Tritium Gas Tubes are unique and a true experience. Born from a proud and rich American history that revolutionized the railroad watch, BALL Watches accommodate a modern market that demands versatility, accuracy, and uniqueness. Whether it's the bulletproof case of a Hydrocarbon, the simplicity of an Engineer, or the exquisite dress of a Trainmaster, BALL has something that will fit anyone on any occasion. Since 1891, Accuracy under adverse conditions.