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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/518791/link
Access Date: April 18, 2024
From the American Horology Archive:
Illinois Grade 152 Pocket Watch
Illinois Watch Co.

Grade: 152

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 518791
Grade: 152
Model: 2
Estimated Production Year: 1885
Run Quantity: 500
Grade/Model Run: 5 of 7
Grade/Model Total Production: 3,500
Size: 8s
Jewels: 11j
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: 1242.152G5.8S40.82M25.H509.L840.11J662
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 10.53
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 35.47
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.062%
Registry Population: 3 (0.60%)
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Production Metrics Tree: Grade 152

Target Profile: 8S-M2-11J-HGL-U

Illinois Grade 152 (All Variations): 3,500 ETP
8S: 3,500 100.00%
8s, Grade 152
8S-M2: 3,500 100.00%
8s, Grade 152, Model 2
8S-M2-11J: 3,500 100.00%
8s, Grade 152, Model 2, 11 Jewels
8S-M2-11J-HGL: 3,500 100.00%
8s, Grade 152, Model 2, 11 Jewels, Hunting/Lever/Gilt
8S-M2-11J-HGL-U: 3,500 100.00%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 3 watches in the population registry for this run with 2 images.
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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.

brianwatches 53 · June 29, 2021

Serial Number 518698 was reported as accurate.

Anonymous · October 18, 2017

Serial Number 518643 was reported as accurate.

Nny528i 5 · February 20, 2015

Serial Number 518791 was reported as accurate.

Changes since this report was submitted:
Plate changed from Full to 3/4

Anonymous · July 8, 2014

Serial Number 518868 was reported as accurate.

Changes since this report was submitted:
Plate changed from Full to 3/4
Illinois Grade 152 Pocket Watch