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 87 Pocket Watch

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

Grade: 87

Manufacturer: U.S. Watch Co. (Waltham, Mass) Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 101091 Question Mark
Grade: 87 Question Mark
Model: 1892 Question Mark
Estimated Production Year: 1892 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 1 of 1 Question Mark
Grade/Model Total Production: 3,000 Question Mark
Size: 18s Question Mark
Jewels: 11j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Plain Question Mark
Hairspring: Flat Question Mark
Standard Dial Type: Single-Pressed Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: U.S. Watch Co.
Waltham, Mass.
Case: Various Question Mark
Run ID: 155.87G1.18S70.181892M1.O41.L113.11J44 Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
9.03 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
61.15 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.880% Question Mark
Registry Population:
Scoped for This Run Only
10 (0.33%) Question Mark

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 21, 2024

Serial Number 102532 was reported as accurate.

Anonymous · January 9, 2024

Serial Number 101282 was reported as accurate.

FlameOfWrath Supporter 34 · April 21, 2023

Serial Number 101091 was reported as accurate.

cmould Supporter 192 · March 11, 2023

Serial Number 101351 was reported as accurate.

U.S. Watch Co. (Waltham, Mass) Grade 87 Pocket Watch