Pocket Watch Database

Keystone Watch Case Co. Silveroid
Watch Case Marking for Keystone Watch Case Co. Silveroid: Silveroid

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.

Silveroid

Database ID:PWDB-19
Case Grade:Silveroid
Material:Nickel Alloy
Introduced:April 1886
Note:Introduced in April 1886 [The Trader, Ad, April 1886].
Marking Variants:
(Not Intended to be Comprehensive)
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 1907OY 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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Information provided by users may contain inaccuracies. Dials, cases, and hands displayed may not be original to the watch.

8 Admirations
Serial No.: #486222
Manufacturer:Ball - Hamilton
Grade:999h
Size:18s
Model:1
Jewels:17j
Setting:Lever
Finish:Nickel
Est. Date:1905
Case Material:Sterlingsilver
Case Serial:4162403
Added By:Slederman Profile Image Slederman
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 Profile Image swhite1750
Serial No.: #12016620
Manufacturer:Waltham
Grade:Lady Waltham
Size:0s
Model:1900
Jewels:16j
Setting:Pendant
Finish:Nickel
Est. Date:1902
Case Model:Sterling
Case Material:Silver
Case Serial:4186677
Added By:1whatever Profile Image 1whatever
0 Admirations
Serial No.: #12880662
Manufacturer:Elgin
Grade:293
Size:16s
Model:7
Jewels:7j
Setting:Pendant
Finish:Gilt
Est. Date:1907
Case Material:Silver
Case Serial:4233258
Added By:avantmae Profile Image avantmae
4 Admirations
Serial No.: #1450201
Manufacturer:Illinois
Grade:Bunn Special
Size:18s
Model:6
Jewels:21j
Setting:Lever
Finish:Two-Tone
Est. Date:1899
Case Material:Sterlingsilver
Case Serial:4233880
Added By:Meatlips01 Profile Image Meatlips01
3 Admirations
Serial No.: #13869825
Manufacturer:Elgin
Grade:317
Size:18s
Model:5
Jewels:15j
Setting:Pendant
Finish:Nickel
Est. Date:1909
Case Material:Silver
Case Serial:4428488
Added By:PhilipPoland Profile Image PhilipPoland
2 Admirations
Serial No.: #15950014
Manufacturer:Elgin
Grade:292
Size:16s
Model:6
Jewels:7j
Setting:Pendant
Finish:Gilt
Est. Date:1911
Case Material:Silver
Case Serial:4455151
Added By:evanpg Profile Image evanpg
4 Admirations
Serial No.: #16862570
Manufacturer:Elgin
Grade:326
Size:18s
Model:5
Jewels:15j
Setting:Pendant
Finish:Gilt
Est. Date:1912
Case Material:Sterlingsilver
Case Serial:4497272
Added By:bobik55 Profile Image bobik55
2 Admirations
Serial No.: #28732551
Manufacturer:Waltham
Grade:No. 617
Size:6/0s
Model:1898
Jewels:17j
Setting:Pendant
Finish:Nickel
Est. Date:1935
Case Material:Silver
Case Serial:4673380
Added By:mrkruk76 Profile Image mrkruk76
2 Admirations
Serial No.: #26431082
Manufacturer:Elgin
Grade:463
Size:3/0s
Model:3
Jewels:7j
Setting:Pendant
Finish:Nickel
Est. Date:1924
Case Material:Silver
Case Serial:4679691
Added By:Grizzy Profile Image Grizzy
3 Admirations
Serial No.: #4C31731
Manufacturer:Hamilton
Grade:4992b
Size:16s
Model:5
Jewels:22j
Setting:Pendant
Finish:Nickel
Est. Date:1941
Case Material:Silver
Case Serial:4680811
Added By:Doofus Profile Image Doofus
2 Admirations
Serial No.: #4C29668
Manufacturer:Hamilton
Grade:4992b
Size:16s
Model:5
Jewels:22j
Setting:Pendant
Finish:Nickel
Est. Date:1941
Case Material:Silver
Case Serial:4681239
Added By:aconner Profile Image aconner
5 Admirations
Serial No.: #772950
Manufacturer:Rockford
Grade:305
Size:12s
Model:2
Jewels:23j
Setting:Pendant
Finish:Nickel
Est. Date:1908
Case Model:Niello
Case Material:Silver
Case Serial:5024078
Added By:pocketwatch101 Profile Image pocketwatch101
5 Admirations
Serial No.: #1524199
Manufacturer:Illinois
Grade:Bunn Special
Size:18s
Model:6
Jewels:24j
Setting:Lever
Finish:Nickel
Est. Date:1900
Case Material:Sterlingsilver
Case Serial:5505267
Added By:Bostonjoe Profile Image Bostonjoe
4 Admirations
Serial No.: #908878
Manufacturer:Hamilton
Grade:940
Size:18s
Model:1
Jewels:21j
Setting:Lever
Finish:Nickel
Est. Date:1911
Case Model:3oz Train scene
Case Material:Sterlingsilver
Gold Karat:12
Case Serial:5528220
Added By:WIZARDofWARLOCK Profile Image WIZARDofWARLOCK