Pocket Watch Database


From the American Horology Archive:
Illinois Grade 306 Pocket Watch

Illinois Watch Co.

Grade: 306

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 4180337 Question Mark
Grade: 306 Question Mark
Model: 7 Question Mark
Estimated Production Year: 1923 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 118 of 122 Question Mark
Grade/Model Total Production: 37,800 Question Mark
Size: 16s Question Mark
Jewels: 19j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Double Roller: Yes Question Mark
Barrel: Going Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 3 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: 11526.306G155.16S3698.167M660.O6284.P4152.19J676 Question Mark
Database Version: v52.479 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
113.50 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
383.03 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.663% Question Mark
Registry Population:
Scoped for This Run Only
15 (1.50%) Question Mark
$ Estimated Value (12 Month Change): -8.47% Analyzing 208 Sales Question Mark

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.


cbzimm Supporter 469 · April 22, 2023

Serial Number 4180268 was reported as accurate.

Anonymous · November 5, 2021

Serial Number 4180789 was reported as accurate.

Anonymous · October 20, 2021

Serial Number 4180789 was reported as accurate.

Anonymous · September 22, 2021

Serial Number 4180907 was reported as accurate.

Anonymous · February 14, 2021

Serial Number 4180466 was reported as inaccurate.

Note: The word Railroad is on my watch movement for this
model. Your description reads Railroad Grade -NO.
Curator Response: Thanks for the report. Only three positional adjustments would not have qualified for railroad service on most American railroads at the time of production.

Anonymous · July 10, 2020

Serial Number 4180814 was reported as accurate.

Anonymous · December 8, 2019

Serial Number 4180244 was reported as accurate.

Anonymous · March 27, 2019

Serial Number 4180244 was reported as accurate.

Anonymous · November 6, 2018

Serial Number 4180716 was reported as accurate.

Anonymous · October 9, 2016

Serial Number 4180250 was reported as accurate.

Anonymous · May 28, 2016

Serial Number 4180120 was reported as accurate.

Anonymous · January 26, 2016

Serial Number 4180002 was reported as accurate.

daddo46 992 · November 1, 2015

Serial Number 4180189 was reported as accurate.

Anonymous · July 26, 2015

Serial Number 4180422 was reported as accurate.

Anonymous · February 1, 2015

Serial Number 4180337 was reported as accurate.

Anonymous · May 27, 2012

Serial Number 4180325 was reported as accurate.

Illinois Grade 306 Pocket Watch