Hamilton H40405821 American Classic RailRoad Lady AutoProduct Overview Since Hamilton's pocket watches brought precision and safety to American railroads, they have a long history. The addition of a ladies' model to the Railroad Collection also reflects the passage of time. These watches, which excel in accuracy and functionality, also possess feminine charm through features like diamond and mother of pearl dials and soft leather straps. Specifications Product Number H40405821 Caliber ETA 2681 Collection