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From the American Horology Archive:
Rockford Watch Co.

Grade: 94

Pressed Upper Balance Jewel

Manufacturer: Rockford ?
Manufacturer Location: Rockford, Illinois ?
Movement Serial Number: 403223 ?
Grade: 94 ?
Model: 7 ?
Estimated Production Year: 1892 ?
Run Quantity: 500 ?
Grade/Model Run: 9 of 15 ?
Grade/Model Total Production: 10,500 ?
Size: 18s ?
Jewels: 9j ?
Jewel Setting: Screw-Set ?
Movement Configuration: Openface ?
Movement Finish: Gilt ?
Movement Inlay Color: None ?
Movement Setting: Lever ?
Plate: Full Plate ?
Regulator: Plain ?
Hairspring: Flat ?
Adjusted: No ?
Railroad Grade: No ?
Movement Markings: R.W.Co. Rockford Ill. ?
Case: Various ?
Run ID: 429.94G9.18S365.187M67.O79.L292.9J95 ?
Data Research: 1907 Rockford Serial List ?
Database Version: v52.978 ?
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Registry Population: Scoped for This Run Only: 3 (0.60%) ?