American. 1910s. 14K gold filled box hinge case. Case stamped, "Warranted J. Boss 14K 20 years". Watch runs then stops. Case is in exceptional condition with tight hinges, good springs and no evidence of brassing. Gross weight of assembled watch, 135 grams. 18 size. The watch was found to be running at the time of cataloguing. It has not been tested for timekeeping accuracy and may require adjustment. Offered without reserve. CODE-POC