Pocket Watch Database


From the American Horology Archive:
Illinois Grade 303 Pocket Watch
Illinois Grade 303 Pocket Watch

Illinois Watch Co.

Grade: 303

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 2506721 Question Mark
Grade: 303 Question Mark
Model: 7 Question Mark
Estimated Production Year: 1913 Question Mark
Run Quantity: 600 Question Mark
Grade/Model Run: 19 of 73 Question Mark
Grade/Model Total Production: 32,750 Question Mark
Size: 16s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Signing Style: Block Letter Question Mark
Movement Inlay Color: Black Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Double Roller: Yes Question Mark
Barrel: Going Question Mark
Regulator: Reed Question Mark
Hairspring: Breguet Question Mark
Adjusted: No 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: 7904.303G34.16S2187.167M117.O3532.P1559.15J1818 Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
95.59 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
322.56 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.559% Question Mark
Registry Population:
Scoped for This Run Only
7 (1.17%) Question Mark
$ Estimated Value (12 Month Change): -4.76% Analyzing 195 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 · January 27, 2021

Serial Number 2506673 was reported as accurate.

Anonymous · September 19, 2019

Serial Number 2506735 was reported as accurate.

Anonymous · August 17, 2013

Serial Number 2506703 was reported as inaccurate.

Note: 11 jewel hunter
Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · January 9, 2013

Serial Number 2506623 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Illinois Grade 303 Pocket Watch
Illinois Grade 303 Pocket Watch