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: 3891120 Question Mark
Grade: 305 Question Mark
Model: 7 Question Mark
Estimated Production Year: 1921 Question Mark
Run Quantity: 1,200 Question Mark
Grade/Model Run: 88 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
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: 11224.305G127.16S3561.167M605.O6014.P3926.17J3672 Question Mark
Database Version: v52.526 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
9 (0.75%) Question Mark
$ Estimated Value (12 Month Change): 2.04% Analyzing 903 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 · July 24, 2021

Serial Number 3891704 was reported as accurate.

Anonymous · March 6, 2021

Serial Number 3892182 was reported as accurate.

Anonymous · November 19, 2020

Serial Number 3891918 was reported as accurate.

Anonymous · December 24, 2018

Serial Number 3892077 was reported as accurate.

Anonymous · February 13, 2017

Serial Number 3891601 was reported as accurate.

Anonymous · October 17, 2015

Serial Number 3891478 was reported as accurate.

Anonymous · March 28, 2015

Serial Number 3891376 was reported as accurate.

Gasperoff Supporter 727 · February 16, 2015

Serial Number 3891376 was reported as accurate.

Anonymous · August 25, 2014

Serial Number 3891331 was reported as inaccurate.

Note: You have this shown as a 12s grade 305. Grade 305
is a 16s. Thank you!
Changes since this report was submitted:
Size changed from 12 to 16
Plate changed from Unknown to Bridge

RondoTom 64 · December 27, 2013

Serial Number 3891420 was reported as accurate.

Changes since this report was submitted:
Size changed from 12 to 16

jcberlin 1 · October 21, 2013

Serial Number 3891900 was reported as inaccurate.

Note: Movement finish is gold
Changes since this report was submitted:
Size changed from 12 to 16
Plate changed from Unknown to Bridge

Anonymous · October 21, 2013

Serial Number 3891900 was reported as accurate.

Changes since this report was submitted:
Size changed from 12 to 16

Anonymous · February 21, 2013

Serial Number 3891015 was reported as accurate.

Changes since this report was submitted:
Size changed from 12 to 16

Anonymous · September 24, 2012

Serial Number 3892138 was reported as inaccurate.

Note: Size is 16s for sure not 12s
Changes since this report was submitted:
Size changed from 12 to 16
Plate changed from Unknown to Bridge
Illinois Grade 305 Pocket Watch
Illinois Grade 305 Pocket Watch