Pocket Watch Database

From the American Horology Archive:
Illinois Grade 181 Pocket Watch

Illinois Watch Co.

Grade: 181

Ruby Jewels

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 4687144 Question Mark
Grade: 181 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1925 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 3 of 5 Question Mark
Grade/Model Total Production: 5,000 Question Mark
Size: 18/0s Question Mark
Jewels: 16j Question Mark
Jewel Material: Ruby Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Bridge Plate Question Mark
Bridge Type: 3-Finger Question Mark
Barrel: Going Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 6 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 19.0, 46.0 Question Mark
Case Screw Locations: 45.0 Question Mark
Case: Various Question Mark
Run ID: 11957.181G7.S6.M6.O6701.P4430.16J91 Question Mark
Database Version: v52.476 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
3.01 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
10.06 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.018% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.10%) 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.


Savntyme Supporter 10 · April 25, 2024

Serial Number 4687144 was reported as accurate.

MoatsJustin1 top-contributor 5269 · November 23, 2020

Serial Number 4687834 was reported as inaccurate.

Note: 17j thinking 807 from the looks of it and not what
is listed above
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:
Plate changed from 3/4 to 3/4 Bridge

MoatsJustin1 top-contributor 5269 · November 23, 2020

Serial Number 4687934 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge
Illinois Grade 181 Pocket Watch