Pocket Watch Database

Duhme & 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
Watch Case Marking for Duhme & Co. 14K: D&Co. 14K in Pointed Ribbon K14 in Gumdrop 14K Gold 14K
Watch Case Marking for Duhme & Co. 18K: D&Co. K18 in Gumdrop 18K 18K Gold 18K
Watch Case Marking for Duhme & Co. Coin Silver: D.&Co. Coin 3 Coin Silver Coin Silver
Watch Case Marking for Duhme & Co. Sterling: D&Co. 3 Sterling 925/1000 Sterling Silver