Pocket Watch Database


From the American Horology Archive:
Illinois Grade 151 Pocket Watch

Illinois Watch Co.

Grade: 151

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 941825
Grade: 151
Model: 2
Estimated Production Year: 1889
Run Quantity: 900
Grade/Model Run: 9 of 22
Grade/Model Total Production: 18,100
Size: 8s
Jewels: 7j
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: 1704.151G9.8S59.82M42.H815.L1213.7J374
Database Version: v52.400
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
54.49
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
183.84
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.318%
Registry Population:
Scoped for This Run Only
4 (0.44%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 · July 30, 2024

Serial Number 941134 was reported as accurate.

cmdraven 4038 · November 13, 2022

Serial Number 941155 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · February 21, 2021

Serial Number 941825 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · February 21, 2021

Serial Number 941825 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · February 21, 2021

Serial Number 941825 was reported as inaccurate.

Note: This movement is not stamped with number of
jewels.
Size and configuration are correct, plate is very
different compared to your data. just making a
observation. Thank you for the site. Most of the
data I have searched is spot on.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Factory Model changed from 1 to 2
Illinois Grade 151 Pocket Watch