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: 4425843 Question Mark
Grade: 305 Question Mark
Model: 7 Question Mark
Estimated Production Year: 1923 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 129 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: 11739.305G172.16S3795.167M679.O6487.P4287.17J3884 Question Mark
Database Version: v52.433 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
15 (0.75%) Question Mark
$ Estimated Value (12 Month Change): 3.00% Analyzing 900 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.


Anonymous · February 15, 2023

Serial Number 4424502 was reported as accurate.

billreid 143 · June 17, 2022

Serial Number 4424650 was reported as accurate.

Anonymous · November 8, 2020

Serial Number 4425902 was reported as accurate.

Anonymous · June 14, 2018

Serial Number 4424820 was reported as accurate.

Anonymous · December 3, 2017

Serial Number 4424690 was reported as accurate.

Anonymous · August 31, 2016

Serial Number 4424618 was reported as accurate.

Anonymous · July 28, 2016

Serial Number 4425444 was reported as accurate.

Anonymous · August 4, 2015

Serial Number 4425295 was reported as accurate.

Gasperoff Supporter 727 · April 15, 2015

Serial Number 4424904 was reported as accurate.

Anonymous · March 24, 2015

Serial Number 4425287 was reported as accurate.

Anonymous · July 21, 2014

Serial Number 4424567 was reported as accurate.

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

Anonymous · July 21, 2014

Serial Number 4424567 was reported as accurate.

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

Anonymous · July 30, 2013

Serial Number 4424715 was reported as accurate.

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

Anonymous · June 21, 2013

Serial Number 4425727 was reported as accurate.

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

Anonymous · September 11, 2012

Serial Number 4425886 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