Pocket Watch Database


From the American Horology Archive:
Illinois Grade 305 Pocket Watch
Illinois Grade 305 Pocket Watch

Illinois Watch Co.

Grade: 305

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 4510575 Question Mark
Grade: 305 Question Mark
Model: 7 Question Mark
Estimated Production Year: 1924 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 135 of 177 Question Mark
Grade/Model Total Production: 150,270 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Double Roller: Yes Question Mark
Barrel: Going Question Mark
Adjusted: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 17.5, 39.0, 58.0 Question Mark
Case Screw Locations: 3.0, 38.0 Question Mark
Case: Various Question Mark
Run ID: 11815.305G178.16S3826.167M685.O6562.P4333.17J3914 Question Mark
Database Version: v52.473 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
451.98 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,525.51 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.641% Question Mark
Registry Population:
Scoped for This Run Only
7 (0.70%) Question Mark
$ Estimated Value (12 Month Change): 3.00% Analyzing 901 Sales Question Mark

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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.


carl2713 8 · April 18, 2022

Serial Number 4510522 was reported as accurate.

Anonymous · December 5, 2020

Serial Number 4510504 was reported as accurate.

Anonymous · March 30, 2020

Serial Number 4510999 was reported as accurate.

Deere51 102 · March 2, 2018

Serial Number 4510751 was reported as accurate.

Anonymous · June 29, 2017

Serial Number 4510178 was reported as accurate.

mccuskerjim 17 · March 17, 2016

Serial Number 4510622 was reported as accurate.

Anonymous · January 24, 2016

Serial Number 4510504 was reported as accurate.

Anonymous · September 10, 2013

Serial Number 4510922 was reported as accurate.

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

Anonymous · November 13, 2012

Serial Number 4510922 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Illinois Grade 305 Pocket Watch
Illinois Grade 305 Pocket Watch