Pocket Watch Database

Essex Watch Case Co.

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
Columbia Gold-Filled 14K 15-Year 1896OY, 1896MF
Derby Gold-Filled 1890JC05
Essex Rolled Gold Plate 10-Year 1899BHIA
Essex 10K/15YR Gold-Filled 10K 15-Year 1894BA, 1894NRC, 1895SFM, 1895OY
Essex 14K/10YR Gold-Filled 14K 10-Year 1899ACB
Essex 14K/20YR Gold-Filled 14K 20-Year 1893BHIA, 1894BA, 1894NRC, 1895SFM, 1895OY, 1899BHIA, 1899ACB, 1901BAC
Essex 14K/25YR Gold-Filled 14K 25-Year 1899BHIA, 1899ACB, 1901OY
Mascot Rolled Gold Plate 14K 5-Years 1896OY, 1897BB
Mascot Rolled Gold Plate 10-Year 1899BHIA
Watch Case Marking for Essex Watch Case Co. Superior: Superior XS SX Superior Gold-Filled 14K 25-Year 1890JC05, 1896OY, 1896MF