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Keystone Watch Case Co.
Keystone Watch Case Co.
Boss Scale Crown 14K/25YR
Keystone Watch Case Co. Boss Scale Crown 14K/25YR
![Watch Case Marking for Keystone Watch Case Co. Boss Scale Crown 14K/25YR: Keystone
Watch Case Co.
[Keystone Block]
[Crown and Scales]
J.Boss
25 Years](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Boss-25Years.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/25YR
Find Boss Scale Crown 14K/25YR Cases For Sale on eBay See What Other Boss Scale Crown 14K/25YR Cases Have Sold For on eBay![Watch Case Marking Variant for Keystone Watch Case Co. Boss Scale Crown 14K/25YR: Keystone
Watch Case Co.
[Keystone Block]
Guaranteed
J.Boss
25 Years](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Boss-25Years-2.jpg)
![Watch Case Marking Variant for Keystone Watch Case Co. Boss Scale Crown 14K/25YR: 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/25YR: 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/25YR: Keystone
Watch Case Co.
[Keystone Block]
[Crown and Scales]
J.Boss
25 Years](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Boss-14K-25Years.jpg)
![Watch Case Marking Variant for Keystone Watch Case Co. Boss Scale Crown 14K/25YR: Keystone
Watch Case Co.
[Keystone Block]
[Crown and Scales]
Guaranteed
J.Boss 14K
25 Years](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Boss-14K25Years-3.jpg)
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2 Admirations
| Serial No.: | #11197965 |
| Manufacturer: | Elgin |
| Grade: | 320 |
| Size: | 0s |
| Model: | 2 |
| Jewels: | 7j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1905 |
| Case Model: | J.BOSS |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 6990180 |
| Added By: |  BrucePainter |
4 Admirations
| Serial No.: | #15118350 |
| Manufacturer: | Waltham |
| Grade: | Maximus |
| Size: | 16s |
| Model: | 1899 |
| Jewels: | 23j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1906 |
| Case Model: | J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 7020118 |
| Added By: |  Rickglick1 |
2 Admirations
| Serial No.: | #78512 |
| Manufacturer: | Hamilton |
| Grade: | 972 |
| Size: | 16s |
| Model: | 1 |
| Jewels: | 17j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1902 |
| Case Model: | J BOSS |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 7032994 |
| Added By: | GrizzlyBear |
0 Admirations
| Serial No.: | #4914454 |
| Manufacturer: | Illinois |
| Grade: | Bunn Special |
| Size: | 16s |
| Model: | 14 |
| Jewels: | 21j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1927 |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 7076181 |
| Added By: | iamthewatchman |
7 Admirations
| Serial No.: | #B801474 |
| Manufacturer: | Illinois |
| Grade: | 810 |
| Size: | 16s |
| Model: | 11 |
| Jewels: | 23j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1928 |
| Case Model: | Ball Official RR Standard J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 7078963 |
| Added By: | Rickglick1 |
4 Admirations
| Serial No.: | #3170524 |
| Manufacturer: | Hampden |
| Grade: | Railway |
| Size: | 16s |
| Model: | 5 |
| Jewels: | 19j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1913 |
| Case Model: | J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 7079905 |
| Added By: | Rickglick1 |
6 Admirations
| Serial No.: | #5390327 |
| Manufacturer: | Illinois |
| Grade: | 163 Bunn Special |
| Size: | 16s |
| Model: | 14 |
| Jewels: | 23j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1930 |
| Case Model: | Bunn Special Model #173 |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 7087007 |
| Added By: | 2mnyboxers |
0 Admirations
| Serial No.: | #12345831 |
| Manufacturer: | Elgin |
| Grade: | 318 |
| Size: | 0s |
| Model: | 2 |
| Jewels: | 15j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1906 |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 7109629 |
| Added By: | Mshaffstall01 |
5 Admirations
| Serial No.: | #16971437 |
| Manufacturer: | Elgin |
| Grade: | 375 |
| Size: | 16s |
| Model: | 15 |
| Jewels: | 21j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1912 |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 7140714 |
| Added By: |  OLD4748GUY |
2 Admirations
| Serial No.: | #10680672 |
| Manufacturer: | Elgin |
| Grade: | 295 |
| Size: | 6s |
| Model: | 2 |
| Jewels: | 15j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1904 |
| Case Model: | J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 7172606 |
| Added By: | Rickglick1 |