![Keystone Watch Case Co. Pocket Watch Serial Number Lookup & Identify | Pocket watch antique, Watch case, Pocket watch Keystone Watch Case Co. Pocket Watch Serial Number Lookup & Identify | Pocket watch antique, Watch case, Pocket watch](https://i.pinimg.com/564x/5c/69/17/5c6917e2910c5b7be50bedc71fcf28fa.jpg)
Keystone Watch Case Co. Pocket Watch Serial Number Lookup & Identify | Pocket watch antique, Watch case, Pocket watch
![Antique Hamilton Pocket Watch Railroad Grade 992 Model 1 Housed in this Beautiful 10K Yellow Gold Fill Keystone Case circa 1911 - The Pocket Watch Guy Antique Hamilton Pocket Watch Railroad Grade 992 Model 1 Housed in this Beautiful 10K Yellow Gold Fill Keystone Case circa 1911 - The Pocket Watch Guy](https://www.thepocketwatchguy.com/wp-content/uploads/2019/05/5_37.jpg)
Antique Hamilton Pocket Watch Railroad Grade 992 Model 1 Housed in this Beautiful 10K Yellow Gold Fill Keystone Case circa 1911 - The Pocket Watch Guy
![File:Deer Engraving on a Vintage Keystone Pocket Watch, Case by the Illinois Watch Case Co., Elgin, Illinois, "The Winner" Case Guaranteed for 20 Years (8607094272).jpg - Wikimedia Commons File:Deer Engraving on a Vintage Keystone Pocket Watch, Case by the Illinois Watch Case Co., Elgin, Illinois, "The Winner" Case Guaranteed for 20 Years (8607094272).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/8/83/Deer_Engraving_on_a_Vintage_Keystone_Pocket_Watch%2C_Case_by_the_Illinois_Watch_Case_Co.%2C_Elgin%2C_Illinois%2C_%22The_Winner%22_Case_Guaranteed_for_20_Years_%288607094272%29.jpg)
File:Deer Engraving on a Vintage Keystone Pocket Watch, Case by the Illinois Watch Case Co., Elgin, Illinois, "The Winner" Case Guaranteed for 20 Years (8607094272).jpg - Wikimedia Commons
![Help! Any additional information on this keystone pocket watch would be helpful. It says it should be a movement set by key, but alas it is not… : r/pocketwatch Help! Any additional information on this keystone pocket watch would be helpful. It says it should be a movement set by key, but alas it is not… : r/pocketwatch](https://i.redd.it/help-any-additional-information-on-this-keystone-pocket-v0-de12gewr75zb1.jpg?width=3024&format=pjpg&auto=webp&s=80e9b28093fc5bf6bfc441dfd5baa169cc797da3)
Help! Any additional information on this keystone pocket watch would be helpful. It says it should be a movement set by key, but alas it is not… : r/pocketwatch
![Keystone Pocket Watch Case] I just inherited this Elgin pocket watch and was hoping to gain insight from this forum about the Keystone pocket watch case. I've not found an online guide Keystone Pocket Watch Case] I just inherited this Elgin pocket watch and was hoping to gain insight from this forum about the Keystone pocket watch case. I've not found an online guide](https://preview.redd.it/cgfjhyiec8z71.jpg?width=1080&crop=smart&auto=webp&s=0f122fe5ee3ad3de72a7c341c13a532564a50b85)
Keystone Pocket Watch Case] I just inherited this Elgin pocket watch and was hoping to gain insight from this forum about the Keystone pocket watch case. I've not found an online guide
![Vintage Pocket Watch Elgin 12s, Hunter Style, Circa 1916. in Keystone Gold-filled Carved Case. Nice Watch Running Well. Great Gift - Etsy UK Vintage Pocket Watch Elgin 12s, Hunter Style, Circa 1916. in Keystone Gold-filled Carved Case. Nice Watch Running Well. Great Gift - Etsy UK](https://i.etsystatic.com/27159951/r/il/b4cd9a/3548827103/il_570xN.3548827103_n80x.jpg)