Pocket Watch Database
Wm. B. Warne & Co.
Philadelphia
Initial Marking: W.B.W.&Co.
Location: Philadelphia
Years of Operation: 1865-1873
Successor: David F. Conover & Co.
Originally partnered with David F. Conover in 1865. Conover took over Warne's interest when he retired in 1873.
Identification: Cases manufactured by Wm. B. Warne & Co. are marked "W.B.W.&Co. Phila."
William B. Warne and David F. Conover partnered in July 1865 to succeed the business started by Warne's brother, Edward A. Warne, four years prior. The following year, in October 1866, the company moved from 35 S. 3rd St. to the southeast corner of 7th and Chestnut Street in Philadelphia, Pennsylvania.
Mr. Warne retired from the business in January 1873, selling his interest to D.F. Conover & Co.
Conover recognized the market's familiarity with Warne's name and continued to include "Successors to Wm. B. Warne & Co." in advertisements for over a decade.
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 | |||
 |
Silver | Silver |