Pocket Watch Database

From the American Horology Archive:
Illinois Grade 306 Pocket Watch

Illinois Watch Co.

Grade: 306

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 4180337
Grade: 306
Model: 7
Estimated Production Year: 1923
Run Quantity: 1,000
Grade/Model Run: 118 of 122
Grade/Model Total Production: 37,800
Size: 16s
Jewels: 19j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Dial Feet Locations: 17.5, 39.0, 58.0
Case Screw Locations: 3.0, 38.0
Case: Various
Run ID: 11511.306G155.16S3683.167M660.O6268.P4152.19J676
Database Version: v52.249
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
113.50
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
383.03
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.663%
Registry Population: 15 (1.50%)
$ Estimated Value (12 Month Change): -8.20% Analyzing 203 Sales

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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.


cbzimm Supporter 468 · 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 991 · 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