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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]
Guaranteed
J.Boss 14K
25 Years](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Boss-14K25Years-3.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]
[Crown and Scales]
J.Boss
25 Years](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Boss-25Years.jpg)
![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)
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2 Admirations
| Serial No.: | #1325421 |
| Manufacturer: | E. Howard Watch Co. (Keystone) |
| Grade: | Series 7 |
| Size: | 12s |
| Model: | 1912 |
| Jewels: | 17j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1918 |
| Case Model: | Keystone Extra - E. Howard Watch Co. - Boston |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 1056902 |
| Added By: |  rnfwatch |
5 Admirations
| Serial No.: | #854905 |
| Manufacturer: | Hamilton |
| Grade: | 960 |
| Size: | 16s |
| Model: | 3 |
| Jewels: | 21j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1912 |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 1343086 |
| Added By: |  Rickglick1 |
8 Admirations
| Serial No.: | #454768 |
| Manufacturer: | Hampden |
| Grade: | No. 60 |
| Size: | 18s |
| Model: | 3 |
| Jewels: | 15j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1887 |
| Case Model: | JBoss 14K |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 1652731 |
| Added By: |  oldschool59 |
4 Admirations
| Serial No.: | #3886462 |
| Manufacturer: | Waltham |
| Grade: | Crescent St. |
| Size: | 18s |
| Model: | 1883 |
| Jewels: | 15j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | May 1889 - April 1890 |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 1713554 |
| Added By: | Rickglick1 |
5 Admirations
| Serial No.: | #628004 |
| Manufacturer: | Elgin |
| Grade: | 4 |
| Size: | 16s |
| Model: | 3 |
| Jewels: | 15j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1880 |
| Case Model: | J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 2054941 |
| Added By: |  kennyhabeeb |
6 Admirations
| Serial No.: | #309138 |
| Manufacturer: | Columbus Watch Co. |
| Grade: | Railway King |
| Size: | 18s |
| Model: | 2 |
| Jewels: | 16j |
| Setting: | Lever |
| Finish: | Two-Tone |
| Est. Date: | 1894 |
| Case Model: | J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 2522734 |
| Added By: | Rickglick1 |
1 Admiration
| Serial No.: | #8345046 |
| Manufacturer: | Waltham |
| Grade: | Seaside |
| Size: | 0s |
| Model: | 1891 |
| Jewels: | 7j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1897 |
| Case Model: | J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 2968662 |
| Added By: | ideainvestments |
3 Admirations
| Serial No.: | #843945 |
| Manufacturer: | Hamilton |
| Grade: | 974 |
| Size: | 16s |
| Model: | 1 |
| Jewels: | 17j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1911 |
| Case Model: | J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 4453756 |
| Added By: | Rickglick1 |
6 Admirations
| Serial No.: | #1915787 |
| Manufacturer: | Hampden |
| Grade: | Special Railway |
| Size: | 18s |
| Model: | 3 |
| Jewels: | 23j |
| Setting: | Lever |
| Finish: | Two-Tone |
| Est. Date: | 1904 |
| Case Model: | J Boss |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 4472482 |
| Added By: | Rickglick1 |
3 Admirations
| Serial No.: | #6560505 |
| Manufacturer: | Waltham |
| Grade: | No. 28 |
| Size: | 16s |
| Model: | 1888 |
| Jewels: | 15j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | July 1899 - January 1900 |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 5047423 |
| Added By: |  gmillwater |
5 Admirations
| Serial No.: | #5018933 |
| Manufacturer: | Waltham |
| Grade: | Royal |
| Size: | 16s |
| Model: | 1888 |
| Jewels: | 15j |
| Setting: | Pendant |
| Finish: | Gilt |
| Est. Date: | December 1891 - February 28, 1892 |
| Case Model: | Boss Scale Crown 14k/25yr |
| Case Material: | Goldfilled |
| Gold Karat: | 14 |
| Guarantee: | 25 |
| Case Serial: | 5059056 |
| Added By: |  tctimepieces |
