Pocket Watch Database


From the American Horology Archive:
Illinois Grade 99 Pocket Watch

Illinois Watch Co.

Grade: 99

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 297261 Question Mark
Grade: 99 Question Mark
Model: 3 Question Mark
Class: 5 Question Mark
Estimated Production Date: November 1887 - February 1888 Question Mark
Run Quantity: 400 Question Mark
Grade/Model Run: 5 of 11 Question Mark
Grade/Model Total Production: 2,520 Question Mark
Size: 18s Question Mark
Jewels: 11j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Barrel: Going Question Mark
Train: Coarse Question Mark
Regulator: Chalmers Question Mark
Standard Dial Type: Single-Sunk Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 1.5, 21.5, 38.0 Question Mark
Case Screw Locations: 23.5, 51.5 Question Mark
Case: Various Question Mark
Run ID: 760.99G27.18S735.183M200.O201.L484.11J445 Question Mark
Database Version: v52.587 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
7.58 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
25.51 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.044% Question Mark
Registry Population:
Scoped for This Run Only
3 (0.75%) 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.


MoatsJustin1 top-contributor 5321 · October 12, 2023

Serial Number 297231 was reported as accurate.

pappybob 46 · May 6, 2021

Serial Number 297261 was reported as inaccurate.

Note: This has a Chalmer's Patent regulator
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · August 10, 2019

Serial Number 297082 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · August 4, 2019

Serial Number 297332 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

wabash 134 · December 13, 2014

Serial Number 297314 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No
Illinois Grade 99 Pocket Watch