Pocket Watch Database


From the American Horology Archive:
Illinois Grade 151 Pocket Watch

Illinois Watch Co.

Grade: 151

Plate Is Recessed.

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 516875 Question Mark
Grade: 151 Question Mark
Model: 2 Question Mark
Estimated Production Year: 1884 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 3 of 22 Question Mark
Grade/Model Total Production: 18,100 Question Mark
Size: 8s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Barrel: Going Question Mark
Balance Type: Expansion Question Mark
Regulator: Plain Question Mark
Hairspring: Flat Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 18.0, 40.5, 49.5 Question Mark
Case Screw Locations: 15.0, 45.0 Question Mark
U.S. Patents: 238464 Question Mark
Movement Markings: Illinois Watch Co.
Springfield, Ill.
Patent Pinion
Case: Various Question Mark
Run ID: 1235.151G3.8S34.82M19.H501.L833.7J221 Question Mark
Database Version: v52.462 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
54.49 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
183.84 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.318% Question Mark
Registry Population:
Scoped for This Run Only
8 (0.80%) Question Mark

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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.


MoatsJustin1 top-contributor 5269 · December 7, 2023

Serial Number 516101 was reported as accurate.

pocketwatch101 111 · April 15, 2016

Serial Number 516875 was reported as accurate.

Anonymous · February 10, 2016

Serial Number 516875 was reported as accurate.

Anonymous · February 4, 2016

Serial Number 516875 was reported as accurate.

Anonymous · April 9, 2013

Serial Number 516205 was reported as accurate.

Changes since this report was submitted:
Plate changed from Full to 3/4
Illinois Grade 151 Pocket Watch