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Keystone Watch Case Co.
Keystone Watch Case Co.
Silveroid
Keystone Watch Case Co. Silveroid
![Watch Case Marking for Keystone Watch Case Co. Silveroid: Keystone
Watch Case Co.
[Keystone Block]
Guaranteed
Silveroid
Genuine
U.S.A.](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Silveroid-USA.jpg)
Note: Case manufacturers modified markings over time. As a result, the image above is simply a representation of one particular marking used by the company. Your case marking may differ based on the production era and other parameters.
Silveroid
Find Silveroid Cases For Sale on eBay See What Other Silveroid Cases Have Sold For on eBay![Watch Case Marking Variant for Keystone Watch Case Co. Silveroid: Keystone
Watch Case Co.
[Keystone Block]
Guaranteed
Silveroid
Genuine](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Silveroid.jpg)
![Watch Case Marking Variant for Keystone Watch Case Co. Silveroid: Keystone
Watch Case Co.
[Keystone Block]
Silveroid](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Silveroid-3.jpg)
![Watch Case Marking Variant for Keystone Watch Case Co. Silveroid: Guaranteed
Silveroid
Genuine
[Keystone Block]](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Silveroid-Genuine.jpg)
![Watch Case Marking Variant for Keystone Watch Case Co. Silveroid: Keystone
Watch Case Co.
[Keystone Block]
Guaranteed
Silveroid
Genuine](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Silveroid-Genuine-2.jpg)
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5 Admirations
| Serial No.: | #768590 |
| Manufacturer: | Waltham |
| Grade: | Wm. Ellery |
| Size: | 18s |
| Model: | 1857 |
| Jewels: | 11j |
| Setting: | Key |
| Finish: | Gilt |
| Est. Date: | October 1874 - December 1, 1874 |
| Case Model: | Leader |
| Case Material: | Coinsilver |
| Added By: |  winterwolf |
2 Admirations
| Serial No.: | #25795 |
| Manufacturer: | Hamilton |
| Grade: | 931 |
| Size: | 18s |
| Model: | 2 |
| Jewels: | 16j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1897 |
| Case Model: | Century |
| Case Material: | Silver |
| Added By: | winterwolf |
3 Admirations
| Serial No.: | #4C39665 |
| Manufacturer: | Hamilton |
| Grade: | 4992b |
| Size: | 16s |
| Model: | 5 |
| Jewels: | 22j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1941 |
| Case Material: | Coinsilver |
| Case Serial: | K018578 |
| Added By: |  orsogrigio |
4 Admirations
| Serial No.: | #CY12816 |
| Manufacturer: | Hamilton |
| Grade: | 748 |
| Size: | 8/0s |
| Model: | 748 |
| Jewels: | 18j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1948 |
| Case Material: | Sterlingsilver |
| Case Serial: | K352904 |
| Added By: |  ApertureArrange |
8 Admirations
| Serial No.: | #359623 |
| Manufacturer: | Illinois |
| Grade: | Columbia |
| Size: | 18s |
| Model: | 1 |
| Jewels: | 11j |
| Setting: | Key |
| Finish: | Gilt |
| Est. Date: | December 1881 - May 1882 |
| Case Material: | Coinsilver |
| Case Serial: | 34446 |
| Added By: |  esoxhunter |