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: 176

Manufacturer: U.S. Watch Co. (Waltham, Mass) Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 740298 Question Mark
Grade: 176 Question Mark
Model: Suffolk Question Mark
Estimated Production Year: 1904 Question Mark
Run Quantity: 7,000 Question Mark
Grade/Model Run: 8 of 20 Question Mark
Grade/Model Total Production: 50,000 Question Mark
Size: 0s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever 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.
Waltham, Mass. U.S.A.
A New Watch Company At Waltham Est'd 1885.
Case: Various Question Mark
Run ID: 310.176G8.0S18.M18.H225.L260.7J62 Question Mark
Database Version: v52.428 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
150.54 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,022.29 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
14.671% Question Mark
Registry Population:
Scoped for This Run Only
8 (0.11%) Question Mark

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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.


Anonymous · April 5, 2024

Serial Number 741395 was reported as accurate.

MoatsJustin1 top-contributor 5266 · October 12, 2023

Serial Number 743437 was reported as accurate.