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: 594048
Grade: 143
Model: 1
Class: 3
Estimated Production Year: 1886
Run Quantity: 500
Grade/Model Run: 4 of 16
Grade/Model Total Production: 2,750
Variant Est. Production: 2,650 (6S-M1-15J-HGL)
Size: 6s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Gilt
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: 1334.143G4.6S18.61M18.H576.L922.15J213
Database Version: v52.245
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: 7 (1.40%)

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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 · April 16, 2021

Serial Number 594351 was reported as accurate.

czechmauseritis 43 · November 7, 2019

Serial Number 594048 was reported as accurate.

Anonymous · May 18, 2019

Serial Number 594087 was reported as accurate.

Anonymous · September 17, 2012

Serial Number 594143 was reported as inaccurate.

Note: Finish of the movement is not nickel but gilded.

Greetz!

Dieter
Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt

Anonymous · September 17, 2012

Serial Number 594143 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt
Illinois Grade 143 Pocket Watch