Pocket Watch Database

From the American Horology Archive:
Illinois Grade 528 Pocket Watch

Illinois Watch Co.

Grade: 528

Illini

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 3869504 Question Mark
Grade: 528 Question Mark
Model: 2XT Question Mark
Estimated Production Year: 1921 Question Mark
Run Quantity: 700 Question Mark
Grade/Model Run: 1 of 2 Question Mark
Grade/Model Total Production: 1,200 Question Mark
Size: 12s Question Mark
Jewels: 21j Question Mark
Jewel Setting: Friction Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Signing Style: Serif Caps Question Mark
Movement Inlay Color: Black Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: Center Question Mark
Barrel: Motor Question Mark
Regulator: Plain Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Railroad Grade: No Question Mark
Dial Feet Locations: None Question Mark
Case Screw Locations: 5.0, 35.0 Question Mark
Movement Markings: Illinois Watch Co.
Springfield
Illini
21 Jewels
Adjusted
Five
Positions
Case: Various Question Mark
Run ID: 11200.528G1.12S1584.M1.O5991.P3906.21J1127 Question Mark
Database Version: v52.446 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
3.61 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
12.09 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.021% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.14%) Question Mark
Research Note: 800 of the 1,200 Illinois 528 movements were refinished by Hamilton as Grade 400. [Jerry Treiman, http://mb.nawcc.org/showthread.php?142372-Small-Wonders-Illinois-Grade-528-Illini]

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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.


JerryT Waltham Expert Small Watch Expert 425 · January 8, 2017

Serial Number 3869504 was reported as accurate.

cesibley 1 · August 4, 2013

Serial Number 3869389 was reported as accurate.

Illinois Grade 528 Pocket Watch