Pocket Watch Database

From the American Horology Archive:
Illinois Grade 143 Pocket Watch

Illinois Watch Co.

Grade: 143

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1107293
Grade: 143
Model: 1
Class: 3
Estimated Production Year: 1891
Run Quantity: 100
Grade/Model Run: 9 of 16
Grade/Model Total Production: 2,750
Size: 6s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Gold Flashed
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Balance Type: Expansion
Regulator: Plain
Hairspring: Flat
Standard Dial Type: Single-Sunk
Adjusted: No
Railroad Grade: No
Dial Feet Locations: 7.5, 40.0, 58.0
Case Screw Locations: 19.5, 49.5
U.S. Patents: 340386, 345193
Movement Markings: Illinois Watch Co.
Springfield
Safety Pinion
Case: Various
Run ID: 2067.143G9.6S146.61M146.H1008.L1421.15J370
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
8.28
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
27.85
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.048%
Registry Population: 1 (1.00%)

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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 · September 10, 2019

Serial Number 1107293 was reported as inaccurate.

Note: All information seems correct, except movement is
gold flash over nickel
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Movement Finish changed from Nickel to Gold Flashed
Illinois Grade 143 Pocket Watch