- Model 12 -

Production of Model 12 Started in Approximately 1898 Without Serial Numbers; then after 1904 Started at Serial Number 1000001 and Concluded with Serial Number 4070000.

Serial Numbers in this Model 12 Photo Album range from 1003518 to 4068501.

Private Label pocket watches in this Model 12 Photo Album include: Century U.S.A.; Edgemere; Trainmens Special; Rex; Athabasca; R.R. Special; Engine Special; Corona Watch Co.; Republic U.S.A.; Stratford U.S.A.; Knickerbocker Watch Company; Sentinel U.S.A.; Liberty U.S.A.; and Colonial U.S.A.