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From the American Horology Archive:
Illinois Watch Co.

Grade: 510

Diamond, Ruby & Saphire Jewels.

Manufacturer: Illinois ?
Manufacturer Location: Springfield, Illinois ?
Movement Serial Number: 2832395 ?
Grade: 510 ?
Model: 4 ?
Estimated Production Year: 1915 ?
Run Quantity: 10 ?
Grade/Model Run: 6 of 7 ?
Grade/Model Total Production: 253 ?
Variant Est. Production: 233 (12/14S-M4-23J) ?
Size: 12/14s ?
Jewels: 23j ?
Jewel Material: Ruby ?
Jewel Setting: Raised Gold Settings (Screw-Set) ?
Movement Configuration: Openface ?
Movement Finish: Nickel ?
Movement Inlay Color: Gilt ?
Movement Setting: Pendant ?
Plate: Bridge Plate ?
Bridge Type: Center ?
Double Roller: Yes ?
Barrel: Going ?
Train Material: Gold ?
Center Wheel Material: Gold ?
Regulator: Reed ?
Hairspring: Breguet ?
Pallet Jewel Material: Ruby ?
Adjusted: Yes ?
Adjusted # of Positions: 5 ?
Adjusted to Temperature: Yes ?
Adjusted to Isochronism: Yes ?
Railroad Grade: No ?
Dial Feet Locations: 20.5, 39.0, 55.0 ?
Case Screw Locations: 2.5, 35.5 ?
Case: Various ?
Run ID: 9043.510G7.S32.M32.O4288.P2322.23J167 ?
Database Version: v52.978 ?
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Registry Population: Scoped for This Run Only: 1 (10.00%) ?