Pocket Watch Database

Bay State Watch Case Co.

Boston, Massachesetts

Bay State Watch Case Co. Image

Location: Boston, Massachesetts

Years of Operation: 1885-1893

Successor: Crescent Watch Case Co.

Organized May 5, 1885. Absorbed by the Crescent Watch Case Company in 1893.

Collectibility: Bay State cases are uncommon and generally enhance the collectibility of a watch when in reasonable condition. Some cases are derived from patented designs, and those marked with patents are quite rare.

In the spring of 1892, Charles F. Morrill, president of the company, sold his stock due to illness and retired.

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 Bay State Watch Case Co. 14K: Bay State 14K U.S. Assay. 14K Gold 14K 1887LAM, 1890SFM, 1890AP
Watch Case Marking for Bay State Watch Case Co. 20YR GF: Bay State W.C.Co. 20 Years 20YR GF Gold-Filled 20-Year
Watch Case Marking for Bay State Watch Case Co. Acme Lock: Bay State Acme Lock Coin Pat. Sep. 13. 87. Acme Lock Coin Silver
Watch Case Marking for Bay State Watch Case Co. Argentine Silver: Argentine Silver B.S.W.C.Co. Argentine Silver Nickel Alloy 1887LAM
Watch Case Marking for Bay State Watch Case Co. Bay State Coin: Bay State Coin Coin Silver 1887LAM, 1890AP
Watch Case Marking for Bay State Watch Case Co. Imperial: Bay State Imperial Coin Imperial Silver-Filled 1887LAM, 1890SFM, 1890AP May 22, 1894
Legal Seal Gold-Filled 14K 21-Year 1890AP

Company Case Trademarks & Hallmarks