Pocket Watch Database

Courvoisier & Wilcox Mfg. Co.

Roseville, N.J.

Courvoisier & Wilcox Mfg. Co. Image

Initial Marking: CWMfgCo

Location: Roseville, N.J.

Years of Operation: 1883-1905

Predecessor: Courvoisier, Wilcox & Co.

Successor: Leon Watch Case Co.

Specialized in manufacturing gold cases. Reorganized as the "Courvoisier-Wilcox Watch Case Co." in 1894. The company went into receivership in 1905.

Around 1892, the company became the sole selling agents for the gold-filled cases manufactured by the Essex Watch Case Company. Within a few years, the company had absorbed Essex to offer a line of gold-filled cases, sold under the "Essex" name.

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
Watch Case Marking for Courvoisier & Wilcox Mfg. Co. 10K: 10K C.W.Mfg.Co. U.S. Assay Warranted Standard 10K Gold 10K 1887LAM, 1892WES, 1896OY, 1899BHIA, 1899ACB
Watch Case Marking for Courvoisier & Wilcox Mfg. Co. 14K: Warranted 14K U.S. Assay C.W.Mfg.Co. C.W.Mf'g.Co. 14K Gold 14K 1887LAM, 1887BHIA, 1891SAC, 1892WES, 1893MCE, 1893SAC, 1893BHIA, 1893BFNA, 1895OY, 1896OY, 1896MF, 1898MLMF, 1899BHIA, 1899ACB, 1899SAC, 1900LMC, 1900BHIA, 1901OY, 1902ACB, 1903ON, 1903ACB, 1903FDW, 1904ACB
18K Gold 18K
Watch Case Marking for Courvoisier & Wilcox Mfg. Co. 20YR: C.W.Mfg.Co. 20YR Gold-Filled 14K 20-Year 1902BB, 1903ON, 1904LB
25YR Gold-Filled 14K 25-Year 1902BB, 1903ON, 1904LB
Coin Silver Coin Silver 1897BB
Essex Gold-Filled
Watch Case Marking for Courvoisier & Wilcox Mfg. Co. Essex Columbia: Essex 14K. Columbia C.W.Mfg.Co. Essex Columbia Gold-Filled 14K 20-Year 1902BB
Watch Case Marking for Courvoisier & Wilcox Mfg. Co. Essex Columbia: Exxex 14K. Columbia C.W.Mfg.Co. Essex Columbia Gold-Filled 14K 15-Year 1887LAM, 1897BB
Watch Case Marking for Courvoisier & Wilcox Mfg. Co. Essex Mascot: Essex 14K Mascot C.W.Mfg.Co. Essex Mascot Rolled Gold Plate 14K 5-Years 1898MLMF
Watch Case Marking for Courvoisier & Wilcox Mfg. Co. Essex Superior: Essex 14K Superrior C.W.Mfg.Co. Essex Superior Gold-Filled 14K 25-Year 1897BB, 1902BB
Royal Copper 1904LB
Silver Coin Silver 1896OY
Standard
Watch Case Marking for Courvoisier & Wilcox Mfg. Co. Sterling: Sterling 925/1000 Fine C.W.Mf'g.Co. Sterling Silver 1893BHIA, 1895OY, 1902BB

Company Case Trademarks & Hallmarks