Pocket Watch Database

Margot Bros.

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 Margot Bros. 14K: MB in Book Ribbon 14K Embossed E.F.M. 14K Gold 14K
Watch Case Marking for Margot Bros. 14K E. Howard Label: E.H.&Co. in Ribbon 14K E.F.M. Pat'd Feb. 21. 92 14K E. Howard Label Gold 14K
Watch Case Marking for Margot Bros. 18K: MB in Book Ribbon K18 in Oval Embossed E.F.M. Pat'd Feb. 21. 92 18K Gold 18K
Watch Case Marking for Margot Bros. Coin Silver: MB in Book Ribbon Coin in Ribbon Coin Silver Coin Silver