Pocket Watch Database
American Watch Co.
Waltham, Mass.
Location: Waltham, Mass.
Years of Operation: 1857-1892
Sold to the Crescent Watch Case Company in 1890.
Case Grades
Note: This chart is not intended to be a comprehensive list of grades. Some grades changed traits over time and other grades may not be listed. This chart will be improved as additional information is studied.
| Image | Name | Case Material | Gold Content | Gurantee | Source Catalogs | Trademarked |
|---|---|---|---|---|---|---|
| A.W.Co. 10K | Gold | 10K | 1884LSS, 1886RA, 1888BA, 1890SFM, 1891SAC | |||
 |
A.W.Co. 14K | Gold | 14K | 1883GHR, 1884LSS, 1886RA, 1888BA, 1890SFM, 1891RR, 1891SAC | ||
 |
A.W.Co. 18K | Gold | 18K | 1883GHR, 1884LSS, 1886RA, 1888BA, 1890SFM | ||
| A.W.Co. Aluminine | Aluminum | 1888BA | ||||
 |
A.W.Co. Coin Silver | Coin Silver | 1880NHW, 1880GHR, 1882SFM, 1886RA, 1888BA, 1890SFM, 1891RR, 1891SAC, 1893BHIA | |||
| A.W.Co. Nickel Silver | Nickel Alloy | 1883GHR, 1890SFM, 1890AP, 1891RR, 1891SAC, 1892BAC | ||||
 |
A.W.Co. Sterling Silver | Silver | 1880NHW, 1880GHR, 1883GHR, 1884LSS, 1888BA | |||
| Orleans | Coin Silver | 1890SFM |