Pocket Watch Database

From the American Horology Archive:
Illinois Grade 151 Pocket Watch

Illinois Watch Co.

Grade: 151

Plate Is Recessed.

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 518123
Grade: 151
Model: 2
Estimated Production Year: 1884
Run Quantity: 500
Grade/Model Run: 4 of 22
Grade/Model Total Production: 18,100
Size: 8s
Jewels: 7j
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Balance Type: Expansion
Regulator: Plain
Hairspring: Flat
Adjusted: No
Railroad Grade: No
Dial Feet Locations: 18.0, 40.5, 49.5
Case Screw Locations: 15.0, 45.0
U.S. Patents: 238464
Movement Markings: Illinois Watch Co.
Springfield, Ill.
Patent Pinion
Case: Various
Run ID: 1241.151G4.8S39.82M24.H508.L839.7J222
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
54.49
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
183.84
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.318%
Registry Population: 2 (0.40%)

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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.


Anonymous · March 7, 2020

Serial Number 518378 was reported as accurate.

Rcardkidz 3471 · August 4, 2019

Serial Number 518403 was reported as accurate.

Illinois Grade 151 Pocket Watch