Pocket Watch Database

Keller & Untermeyer

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 Keller & Untermeyer 14K: Warranted 14 KU UK K U.S. Assay KU in Circle 14K Gold 14K 1895OY
Watch Case Marking for Keller & Untermeyer 14K E. Howard Label: E.H&Co. U.S. Assay 14K K&U Mfg. Co. 14K E. Howard Label Gold 14K
Watch Case Marking for Keller & Untermeyer 14K Patented Design: Pat.Ap.19.92. K&U Mfg. Co. Warranted 14K U.S. Assay UK KU Pat. Nov. 15 1881 K&I 14K Patented Design Gold 14K
Watch Case Marking for Keller & Untermeyer 14K Unicorn: Unicorn 14 KU UK K Horseshoe 14K Unicorn Gold 14K
Watch Case Marking for Keller & Untermeyer 18K: Warranted 18 Karat Fine with Dots in Oval 18K Gold 18K
Watch Case Marking for Keller & Untermeyer 18K Patented Design: Pat.Sep.20 1881 Warranted 18 Karat Fine with Dots in Oval 18K Patented Design Gold 18K

American Case Trademarks & Hallmarks

14K U K (Keller & Untermeyer)
Keller & Untermeyer
14K
U K