Pocket Watch Database


From the American Horology Archive:
Illinois Grade Mason Pocket Watch

Illinois Watch Co.

Grade: Mason

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 10269 Question Mark
Grade: Mason Question Mark
Model: 1 Question Mark
Estimated Production Date: July 1873 - August 1873 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 5 of 16 Question Mark
Grade/Model Total Production: 10,300 Question Mark
Size: 18s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: Full Plate Question Mark
Barrel: Going Question Mark
Balance Type: Uncut Expansion Question Mark
Train: Coarse Question Mark
Regulator: Plain Question Mark
Hairspring: Flat Question Mark
Standard Dial Type: Single-Sunk Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 16.5, 36.5, 53.0 Question Mark
Case Screw Locations: O-36.5, H-51.5 Question Mark
Movement Markings: Mason
Springfield, Ill.
Patent Pinion
Case: Various Question Mark
Run ID: 18.G5.18S18.181M18.A18.K18.7J5 Question Mark
Database Version: v52.526 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
31.01 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
104.57 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.181% Question Mark
Registry Population:
Scoped for This Run Only
4 (0.40%) 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 · August 5, 2020

Serial Number 10281 was reported as accurate.

Anonymous · April 29, 2020

Serial Number 10281 was reported as accurate.

Anonymous · August 20, 2019

Serial Number 10281 was reported as accurate.

Anonymous · November 1, 2018

Serial Number 10782 was reported as accurate.

Anonymous · October 29, 2018

Serial Number 10782 was reported as accurate.

Anonymous · March 29, 2017

Serial Number 10518 was reported as accurate.

mccuskerjim 17 · March 18, 2016

Serial Number 10288 was reported as accurate.

Anonymous · March 17, 2016

Serial Number 10288 was reported as accurate.

Anonymous · November 23, 2015

Serial Number 10491 was reported as accurate.

Anonymous · October 19, 2015

Serial Number 10629 was reported as accurate.

Anonymous · September 21, 2015

Serial Number 10545 was reported as accurate.

Anonymous · July 24, 2015

Serial Number 10339 was reported as inaccurate.

Note: MOVEMENT FINISH: GILT

Anonymous · April 17, 2014

Serial Number 10662 was reported as accurate.

Anonymous · April 17, 2013

Serial Number 10623 was reported as accurate.

Anonymous · June 20, 2012

Serial Number 10202 was reported as accurate.

Illinois Grade Mason Pocket Watch