Pocket Watch Database


From the American Horology Archive:
Illinois Grade 51 Pocket Watch

Illinois Watch Co.

Grade: 51

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 1618145 Question Mark
Grade: 51 Question Mark
Model: 6 Question Mark
Estimated Production Year: 1902 Question Mark
Run Quantity: 270 Question Mark
Grade/Model Run: 76 of 105 Question Mark
Grade/Model Total Production: 18,560 Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Barrel: Going Question Mark
Train: Fast Question Mark
Regulator: Patent Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 2.0, 21.5, 38.5 Question Mark
Case Screw Locations: 23.5, 51.5 Question Mark
Case: Various Question Mark
Run ID: 4500.51G136.18S2984.186M569.O1623.L3636.15J1055 Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
55.88 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
188.52 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.327% Question Mark
Registry Population:
Scoped for This Run Only
3 (1.11%) Question Mark
$ Estimated Value (12 Month Change): 13.98% Analyzing 120 Sales Question Mark
Research Note: #1618155: Verified as Private Label (Washington Watch Co. - Liberty Bell) with 15 Jewels. #1618032: Reported as Private Label (Washington Watch Co. - Liberty Bell) with 15 Jewels.

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


bob4watch 7 · May 20, 2022

Serial Number 1618032 was reported as inaccurate.

Note: Serial no # 1618032 is a 15 Jewel one for the
Private Label Washington Watch Co - Liberty Bell
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.

Anonymous · April 19, 2020

Serial Number 1618155 was reported as inaccurate.

Note: 15J and this one is indeed a private label
Washington Watch Company watch
Curator Response: Verified. [eBay #174256232262]
Changes since this report was submitted:
Jewels changed from 17j to 15j
Adjusted changed from Yes to No
Railroad Grade changed from Yes to No
Illinois Grade 51 Pocket Watch