Pocket Watch Database

From the American Horology Archive:
Illinois Grade 150 Pocket Watch

Illinois Watch Co.

Grade: 150

Plate Is Recessed.

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 552006
Grade: 150
Model: 2
Class: 5
Estimated Production Year: 1886
Run Quantity: 700
Grade/Model Run: 12 of 15
Grade/Model Total Production: 16,250
Size: 8s
Jewels: 11j
Jewel Setting: Burnished Jewels
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Regulator: Plain
Hairspring: Flat
Standard Dial Type: Single-Sunk
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: 1278.150G12.8S53.82M38.H532.L875.11J670
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
48.65
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
165.04
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.286%
Registry Population: 4 (0.57%)

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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 29, 2023

Serial Number 552514 was reported as accurate.

Anonymous · April 10, 2021

Serial Number 552311 was reported as accurate.

Anonymous · April 21, 2020

Serial Number 552586 was reported as accurate.

Anonymous · March 18, 2020

Serial Number 552391 was reported as accurate.

cmdraven 3970 · September 12, 2013

Serial Number 552006 was reported as accurate.

Changes since this report was submitted:
Plate changed from Full to 3/4
Illinois Grade 150 Pocket Watch