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Keystone Watch Case Co.
Keystone Watch Case Co.
Boss Scale 10K/15YR
Keystone Watch Case Co. Boss Scale 10K/15YR
![Watch Case Marking for Keystone Watch Case Co. Boss Scale 10K/15YR: [Scales]](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Scales.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.
Boss Scale 10K/15YR
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2 Admirations
| Serial No.: | #9006846 |
| Manufacturer: | Elgin |
| Grade: | 210 |
| Size: | 16s |
| Model: | 6 |
| Jewels: | 7j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1901 |
| Case Model: | J.Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 10 |
| Guarantee: | 20 |
| Case Serial: | 6674144 |
| Added By: |  Tahoward82 |
3 Admirations
| Serial No.: | #1564858 |
| Manufacturer: | Illinois |
| Grade: | Bunn |
| Size: | 18s |
| Model: | 6 |
| Jewels: | 17j |
| Setting: | Lever |
| Finish: | Two-Tone |
| Est. Date: | 1901 |
| Case Model: | J.Boss |
| Case Material: | Goldfilled |
| Guarantee: | 25 |
| Case Serial: | 7765932 |
| Added By: | thodge0001 |
