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Keystone Watch Case Co.
Keystone Watch Case Co.
Boss Scale Crown 14K/20YR
Keystone Watch Case Co. Boss Scale Crown 14K/20YR
![Watch Case Marking for Keystone Watch Case Co. Boss Scale Crown 14K/20YR: [Crown and Scales]](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Crown-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 Crown 14K/20YR
Find Boss Scale Crown 14K/20YR Cases For Sale on eBay See What Other Boss Scale Crown 14K/20YR Cases Have Sold For on eBay![Watch Case Marking Variant for Keystone Watch Case Co. Boss Scale Crown 14K/20YR: Keystone
Watch Case Co.
[Keystone Block]
[Crown and Scales]](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Crown-Scales-2.jpg)
![Watch Case Marking Variant for Keystone Watch Case Co. Boss Scale Crown 14K/20YR: Keystone
Watch Case Co.
[Keystone Block]
[Crown and Scales]
J.Boss
14K
Gold Filled](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Boss-14K.jpg)
![Watch Case Marking Variant for Keystone Watch Case Co. Boss Scale Crown 14K/20YR: Keystone
Watch Case Co.
[Keystone Block]
[Crown and Scales]](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Crown-Scales-3.jpg)
![Watch Case Marking Variant for Keystone Watch Case Co. Boss Scale Crown 14K/20YR: [Crown and Scales]](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Boss-Crown-Scales-2.jpg)
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3 Admirations
| Serial No.: | #B247132 |
| Manufacturer: | Ball - Waltham |
| Grade: | Official Standard |
| Size: | 16s |
| Model: | 1899 |
| Jewels: | 21j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1910 |
| Case Model: | Ball Model |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 20 |
| Case Serial: | 5362402 |
| Added By: |  Joerealtor |
2 Admirations
| Serial No.: | #13666267 |
| Manufacturer: | Elgin |
| Grade: | 336 |
| Size: | 18s |
| Model: | 5 |
| Jewels: | 17j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1909 |
| Case Model: | J. BOSS |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 20 |
| Case Serial: | 5536331 |
| Added By: |  Wizardmaster |
5 Admirations
| Serial No.: | #7458989 |
| Manufacturer: | Elgin |
| Grade: | 181 |
| Size: | 18s |
| Model: | 7 |
| Jewels: | 21j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1898 |
| Case Model: | JBOSS |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 20 |
| Case Serial: | 6368828 |
| Added By: | TimeFlysByDiva |
2 Admirations
| Serial No.: | #350766 |
| Manufacturer: | Rockford |
| Grade: | 85 |
| Size: | 18s |
| Model: | 8 |
| Jewels: | 15j |
| Setting: | Lever |
| Finish: | Gilt |
| Est. Date: | 1890 |
| Case Model: | J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 20 |
| Case Serial: | 6657450 |
| Added By: | mdmiller99 |
4 Admirations
| Serial No.: | #2705789 |
| Manufacturer: | Hampden |
| Grade: | Wm. Mckinley |
| Size: | 16s |
| Model: | 4 |
| Jewels: | 17j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1910 |
| Case Model: | JBoss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 20 |
| Case Serial: | 6752914 |
| Added By: | WatchWorksICT |
2 Admirations
| Serial No.: | #322941 |
| Manufacturer: | Hamilton |
| Grade: | 974 |
| Size: | 16s |
| Model: | 1 |
| Jewels: | 17j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1904 |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 20 |
| Case Serial: | 7322550 |
| Added By: | czechmauseritis |
1 Admiration
| Serial No.: | #888198 |
| Manufacturer: | U.S. Watch Co. (Waltham, Mass) |
| Grade: | Betsy Ross |
| Size: | 0s |
| Model: | Suffolk |
| Jewels: | 7j |
| Setting: | Pendant |
| Finish: | Gilt Damaskeened |
| Est. Date: | 1907 |
| Case Model: | J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 20 |
| Case Serial: | 7523007 |
| Added By: | rholland59 |