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From the American Horology Archive:
U.S. Watch Co. (Waltham, Mass)

Grade: 62

Manufacturer: U.S. Watch Co. (Waltham, Mass) ?
Manufacturer Location: Waltham, Massachusetts ?
Movement Serial Number: 622449 ?
Grade: 62 ?
Model: 1889 ?
Estimated Production Year: 1902 ?
Run Quantity: 1,000 ?
Grade/Model Run: 13 of 13 ?
Grade/Model Total Production: 9,050 ?
Variant Est. Production: 8,050 (6S-M1889-N) ?
Size: 6s ?
Jewels: 15j ?
Jewel Setting: Screw-Set ?
Movement Configuration: Hunting ?
Movement Finish: Nickel ?
Movement Setting: Lever ?
Plate: 3/4 Split Plate ?
Train: Quick ?
Regulator: Plain ?
Hairspring: Breguet ?
Standard Dial Type: Double-Pressed ?
Adjusted: No ?
Railroad Grade: No ?
Movement Markings: U.S. Watch Co. Waltham, Mass. A New Watch Company At Waltham Est'd. 1885 15 Jewels ?
Case: Various ?
Run ID: 280.62G13.6S82.61889M82.H194.L232.15J80 ?
Database Version: v52.978 ?
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Registry Population: Scoped for This Run Only: 4 (0.40%) ?