Pocket Watch Database

Due to the lack of existing factory records, our U.S. Watch Co. (Waltham, Mass) database has been reconstructed using observations of known watches.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.

From the American Horology Archive:

U.S. Watch Co. (Waltham, Mass)

Grade: 274

Manufacturer: U.S. Watch Co. (Waltham, Mass) Question Mark
Manufacturer Location: Jersey City, New Jersey (New York) Question Mark
Movement Serial Number: 819248 Question Mark
Grade: 274 Question Mark
Model: Suffolk Question Mark
Estimated Production Year: 1905 Question Mark
Run Quantity: 800 Question Mark
Grade/Model Run: 5 of 6 Question Mark
Grade/Model Total Production: 5,800 Question Mark
Size: 0s Question Mark
Jewels: 11j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Train: Quick Question Mark
Regulator: Plain Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Single-Pressed Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: United States Watch Co.
New York
U.S.A.
Case: Various Question Mark
Run ID: 356.274G5.0S49.M49.H266.P52.11J92 Question Mark
Database Version: v52.517 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
17.46 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
118.40 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.702% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.25%) Question Mark

Help Us Help Others By Improving the Database:

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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.


Louisc1 Supporter 88 · March 27, 2023

Serial Number 819248 was reported as inaccurate.

Note: no 819,248 is an eleven jewel example.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Grade changed from Betsy Ross to 274
Jewels changed from 7J to 11j