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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/742865
Access Date: April 19, 2024
From the American Horology Archive:
Illinois Grade 144 Pocket Watch
Illinois Grade 144 Pocket Watch
Illinois Watch Co.

Grade: 144

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 742865
Grade: 144
Model: 1
Class: 3
Estimated Production Year: 1890
Run Quantity: 100
Grade/Model Run: 8 of 23
Grade/Model Total Production: 2,920
Variant Est. Production: 100 (6S-M1-15J-HDL)
Size: 6s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Gilt Damaskeened
Movement Signing Style: Serif (Decorative)
Movement Inlay Color: None
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
15 Jewels
Safety Pinion
Case: Various
Run ID: 1515.144G8.6S42.61M42.H683.L1054.15J260
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 8.79
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 29.57
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.051%
Registry Population: 2 (2.00%)
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Production Metrics Tree: Grade 144

Target Profile: 6S-M1-15J-HDL-U

Illinois Grade 144 (All Variations): 2,920 ETP
6S: 2,920 100.00%
6s, Grade 144
6S-M1: 2,920 100.00%
6s, Grade 144, Model 1
6S-M1-15J: 2,920 100.00%
6s, Grade 144, Model 1, 15 Jewels
6S-M1-15J-HDL: 100 3.42%
6s, Grade 144, Model 1, 15 Jewels, Hunting/Lever/Gilt Damaskeened 		Other: 2,820
Other Configs or Unclassified
6S-M1-15J-HDL-U: 100 3.42%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 2 watches in the population registry for this run with 1 image.
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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 9, 2018

Serial Number 742808 was reported as inaccurate.

Note: Movement is Gilt not nickel.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection so we can take a closer look.
Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt Damaskeened
Illinois Grade 144 Pocket Watch
Illinois Grade 144 Pocket Watch