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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/1659757
Access Date: April 26, 2024
From the American Horology Archive:
Illinois Grade 187 Pocket Watch
Illinois Watch Co.

Grade: 187

Ruby Jewels

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1659757
Grade: 187
Model: 4
Estimated Production Year: 1903
Run Quantity: 200
Grade/Model Run: 11 of 14
Grade/Model Total Production: 1,610
Size: 16s
Jewels: 17j
Jewel Material: Ruby
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Bridge Plate
Bridge Type: 3-Finger
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 18.5, 52.5
Case: Various
Run ID: 4843.187G20.16S1012.164M480.H2523.L3979.17J983
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 4.84
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 16.26
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.028%
Registry Population: 5 (2.50%)
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 5 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.

2mnyboxers Supporter 399 · November 12, 2022

Serial Number 1659719 was reported as accurate.

2mnyboxers Supporter 399 · September 16, 2022

Serial Number 1659719 was reported as accurate.

MichaelB 150 · March 10, 2017

Serial Number 1659757 was reported as inaccurate.

Note: Movement Serial Number: 1659757=3 finger bridge
Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge

MichaelB 150 · February 15, 2017

Serial Number 1659757 was reported as accurate.

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

Anonymous · July 18, 2014

Serial Number 1659727 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge
Illinois Grade 187 Pocket Watch