Pocket Watch Database

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]

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

Database ID:PWDB-31
Case Grade:Boss Scale Crown 14K/20YR
Material:Gold-Filled
Gold Content:14K
Guarantee:20-Year
Introduced:July 1889
Discontinued:January 1898
Note:Prior to July 1889, the "Boss" case was only available in one grade, 14K and guranteed for 25 Years. This grade used the same "Crown and Scale" mark as the 14K/20YR grade instroduced in July 1889. "Solid Gold Bows and Thumb Pieces" [1895SFM]
Trademark:82993
Trademark Issued:Aug 8, 1911
In Use Since:c.1875
Patents:#23820
Marking Variants:
(Not Intended to be Comprehensive)
Original Papers:

Image Provided by Jones & Horan



Image Provided by Jones & Horan


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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9 Admirations
Serial No.: #964300
Manufacturer:Hampden
Grade:John C. Dueber Special
Size:18s
Model:2
Jewels:17j
Setting:Lever
Finish:Two-Tone
Est. Date:1896
Case Model:J. Boss
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Added By:wmike565 Profile Image wmike565
5 Admirations
Serial No.: #33814541
Manufacturer:Elgin
Grade:478
Size:16s
Model:15
Jewels:21j
Setting:Lever
Finish:Nickel
Est. Date:1933
Case Model:J. Boss, B.W. Raymond Model
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Added By:wmike565 Profile Image wmike565
6 Admirations
Serial No.: #26579106
Manufacturer:Elgin
Grade:315
Size:12s
Model:3
Jewels:15j
Setting:Pendant
Finish:Nickel
Est. Date:1924
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Added By:Laffite Profile Image Laffite
2 Admirations
Serial No.: #1543743
Manufacturer:Hamilton
Grade:996
Size:16s
Model:2
Jewels:19j
Setting:Lever
Finish:Nickel
Est. Date:1925
Case Model:BOSS
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Added By:Mcnuttja Profile Image Mcnuttja
7 Admirations
Serial No.: #509822
Manufacturer:Seth Thomas
Grade:11
Size:18s
Model:4
Jewels:7j
Setting:Key
Finish:Gilt
Est. Date:1898
Case Model:Keystone Boss Scale Crown
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:O330109
Added By:SethThomasFan Profile Image SethThomasFan
2 Admirations
Serial No.: #6434239
Manufacturer:Elgin
Grade:150
Size:18s
Model:5
Jewels:21j
Setting:Pendant
Finish:Nickel
Est. Date:1896
Case Model:J Boss
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:9,276,113
Added By:firebirdjeff02 Profile Image firebirdjeff02
23 Admirations
Serial No.: #48075
Manufacturer:E. Howard & Co.
Grade:Unknown
Size:18s
Model:Series IV
Jewels:15j
Setting:Pendant
Finish:Gilt
Est. Date:September 1883 - December 1, 1883
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:085100
Added By:Mogman50 Profile Image Mogman50
11 Admirations
Serial No.: #12357
Manufacturer:Seth Thomas
Grade:70
Size:18s
Model:3
Jewels:15j
Setting:Lever
Finish:Gilt
Est. Date:1885
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:277260
Added By:TimeAntiquarian Profile Image TimeAntiquarian
11 Admirations
Serial No.: #1788277
Manufacturer:Illinois
Grade:Bunn Special
Size:18s
Model:6
Jewels:21j
Setting:Lever
Finish:Nickel
Est. Date:1905
Case Model:JAS.BOSS
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:1456372
Added By:ultimatekaiser Profile Image ultimatekaiser
4 Admirations
Serial No.: #9332
Manufacturer:Seth Thomas
Grade:101
Size:18s
Model:1
Jewels:15j
Setting:Lever
Finish:Gilt
Est. Date:1886
Case Model:Boss Scale Crown
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:1458616
Added By:SethThomasFan Profile Image SethThomasFan
5 Admirations
Serial No.: #940180
Manufacturer:E. Howard Watch Co. (Keystone)
Grade:Series 3
Size:16s
Model:1905
Jewels:17j
Setting:Pendant
Finish:Nickel
Est. Date:1907
Case Model:J. Boss, Extra
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:1507897
Added By:Harlton Profile Image Harlton
2 Admirations
Serial No.: #1368941
Manufacturer:E. Howard Watch Co. (Keystone)
Grade:Series 7
Size:12s
Model:1912
Jewels:17j
Setting:Pendant
Finish:Nickel
Est. Date:1920
Case Model:Extra
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:1589673
Added By:nicnic Profile Image nicnic
4 Admirations
Serial No.: #367674
Manufacturer:Hamilton
Grade:993
Size:16s
Model:1
Jewels:21j
Setting:Lever
Finish:Two-Tone
Est. Date:1907
Case Model:Boss
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:2068457
Added By:bsheets Profile Image bsheets
3 Admirations
Serial No.: #1079479
Manufacturer:Illinois
Grade:99
Size:18s
Model:2
Jewels:11j
Setting:Lever
Finish:Nickel
Est. Date:1891
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:2108278
Added By:whiterook Profile Image whiterook
3 Admirations
Serial No.: #6078674
Manufacturer:Elgin
Grade:142
Size:18s
Model:3
Jewels:15j
Setting:Lever
Finish:Nickel
Est. Date:1896
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:2335731
Added By:Gimparoo Profile Image Gimparoo
5 Admirations
Serial No.: #412232
Manufacturer:Rockford
Grade:86
Size:18s
Model:7
Jewels:15j
Setting:Lever
Finish:Nickel
Est. Date:1893
Case Model:J.Boss
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:2352278
Added By:MichaelB Profile Image MichaelB
2 Admirations
Serial No.: #21971815
Manufacturer:Waltham
Grade:No. 820
Size:18s
Model:1883
Jewels:15j
Setting:Pendant
Finish:Nickel
Est. Date:1918
Case Model:J Boss 14k, crown and scales
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:2368166
Added By:Elguapowho Profile Image Elguapowho
4 Admirations
Serial No.: #6593682
Manufacturer:Waltham
Grade:J
Size:6s
Model:1890
Jewels:7j
Setting:Pendant
Finish:Gilt
Est. Date:January 1894 - February 28, 1896
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:2487630
Added By:sjtalcott Profile Image sjtalcott
3 Admirations
Serial No.: #47905
Manufacturer:Hamilton
Grade:931
Size:18s
Model:2
Jewels:17j
Setting:Lever
Finish:Nickel
Est. Date:1899
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:2495147
Added By:geoulri1 Profile Image geoulri1
9 Admirations
Serial No.: #15784
Manufacturer:Hamilton
Grade:939
Size:18s
Model:2
Jewels:17j
Setting:Lever
Finish:Nickel
Est. Date:1900
Case Model:JBOSS
Case Material:Goldfilled
Gold Karat:14
Guarantee:20
Case Serial:2543368
Added By:Gimparoo Profile Image Gimparoo