Pocket Watch Database


From the American Horology Archive:
Illinois Grade 275 Pocket Watch

Illinois Watch Co.

Grade: 275

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 4330636 Question Mark
Grade: 275 Question Mark
Model: 3 Question Mark
Estimated Production Year: 1923 Question Mark
Run Quantity: 600 Question Mark
Grade/Model Run: 28 of 34 Question Mark
Grade/Model Total Production: 40,400 Question Mark
Size: 12s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: Center Question Mark
Barrel: Going Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 3 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: 20.5, 39.0, 55.0 Question Mark
Case Screw Locations: 2.5, 35.5 Question Mark
Case: Various Question Mark
Run ID: 11647.275G43.12S1794.123M706.O6402.P4228.21J1249 Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
121.63 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
410.47 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.711% Question Mark
Registry Population:
Scoped for This Run Only
4 (0.67%) 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 · November 29, 2020

Serial Number 4330649 was reported as accurate.

Anonymous · June 29, 2020

Serial Number 4330649 was reported as accurate.

Anonymous · August 12, 2018

Serial Number 4330731 was reported as accurate.

636261 4 · August 7, 2017

Serial Number 4330636 was reported as accurate.

Anonymous · November 24, 2016

Serial Number 4330649 was reported as accurate.

Anonymous · December 20, 2015

Serial Number 4330649 was reported as accurate.

Illinois Grade 275 Pocket Watch