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Keystone Watch Case Co.
Keystone Watch Case Co.
Keystone Sterling
Keystone Watch Case Co. Keystone Sterling
![Watch Case Marking for Keystone Watch Case Co. Keystone Sterling: Keystone
Watch Case Co.
[Keystone Block]
Sterling
Guaranteed
Sterling
925 Fine](https://pocketwatchdatabase.com/assets/images/cases/Keystone-Sterling.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.
Keystone Sterling
| Database ID: | PWDB-131 |
| Case Grade: | Keystone Sterling |
| Material: | Silver |
| Note: | Some with Neillo Ornamentation |
| Catalog Sources: | 1877DFC 1878CYC 1880GHR 1880JAB 1880NHW 1882SFM 1883GHR 1883UNK 1884LSS 1885OY 1886HMS 1886RA 1887BHIA 1887LAM 1888BA 1888OY 1889BAM 1889EVR 1890AP 1890BA 1890CHK 1890JC05 1890OY 1890SFM 1891RR 1891SAC 1892ACR 1892BAC 1892CPS 1892WES 1893BFNA 1893BHIA 1893MCE 1893SAC 1894BA 1894BATM 1894NRC 1895OY 1895SFM 1896MF 1896OY 1897BB 1898MLMF 1899ACB 1899BHIA 1899SAC 1900BA 1900BHIA 1900LMC 1900NHW 1901BAC 1901OY 1902ACB 1902BATM 1902BB 1902MF 1903ACB 1903BAC 1903FDW 1903N76 1903ON 1904ACB 1904BA 1904LB 1904PWC 1905ACB 1905BAC 1905DH 1905FNCS 1905ON 1906ON 1906SRC 1907ACB 1907JVF 1907NAC 1907NBC 1907SFM 1908ACB 1909BAC 1910ACB 1911NG 1911OY 1911WJJ 1912COC 1912HA 1912NG 1912SFM 1912WJJ 1913FDW 1914ELD 1915ACB 1915ON 1915PWE 1916LCM 1917BA 1923CBN 1923ON 1925ASJ 1925CPS 1928ON 1932ON 1942WAG |
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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 |
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 |
2 Admirations
| Serial No.: | #415122 |
| Manufacturer: | Hampden |
| Grade: | No. 70 |
| Size: | 18s |
| Model: | 2 |
| Jewels: | 11j |
| Setting: | Lever |
| Finish: | Gilt |
| Est. Date: | 1886 |
| Case Model: | C |
| Case Material: | Sterlingsilver |
| Case Serial: | 357789 |
| Added By: | CommonPressure |
2 Admirations
| Serial No.: | #2482607 |
| Manufacturer: | Elgin |
| Grade: | 92 |
| Size: | 16s |
| Model: | 3 |
| Jewels: | 11j |
| Setting: | Lever |
| Finish: | Gilt |
| Est. Date: | 1887 |
| Case Material: | Silver |
| Case Serial: | 794409 |
| Added By: |  ErnieSpooner |
2 Admirations
| Serial No.: | #9130020 |
| Manufacturer: | Elgin |
| Grade: | 222 |
| Size: | 0s |
| Model: | 1 |
| Jewels: | 7j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1901 |
| Case Material: | Sterlingsilver |
| Case Serial: | 4083597 |
| Added By: |  Rickglick1 |
2 Admirations
| Serial No.: | #1331832 |
| Manufacturer: | Hampden |
| Grade: | No. 64 |
| Size: | 18s |
| Model: | 3 |
| Jewels: | 17j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1899 |
| Case Model: | Round |
| Case Material: | Silver |
| Case Serial: | 4119187 |
| Added By: | rbivgq1734 |
3 Admirations
| Serial No.: | #10808276 |
| Manufacturer: | Elgin |
| Grade: | 144 |
| Size: | 18s |
| Model: | 3 |
| Jewels: | 17j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1904 |
| Case Material: | Silver |
| Case Serial: | 4186307 |
| Added By: |  swhite1750 |
