Pocket Watch Database
C. Jacot & Bro.
Philadelphia
Initial Marking: C.J.&Bro.
Location: Philadelphia
Years of Operation: 1852-1871
Predecessor: Celestine Jacot
One of the successful case companies in the 1850s and 1860s. The company produced a low-grade gold case in addition to 14K and 18K. They also manufactured a reversible case patented by Durand. The company failed c.1871. [Crossman]
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 |
|---|---|---|---|---|---|---|
| 14K | Gold | 14K | ||||
 |
18K | Gold | 18K | |||
 |
Eagle | Silver | ||||
 |
Eagle Engle Patent | Silver |
