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 64 Pocket Watch

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

Grade: 64

Manufacturer: U.S. Watch Co. (Waltham, Mass)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 36666
Grade: 64
Model: 1889
Estimated Production Year: 1889
Run Quantity: 1,500
Grade/Model Run: 4 of 14
Grade/Model Total Production: 13,300
Size: 6s
Jewels: 11j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Split Plate
Train: Quick
Regulator: Plain
Hairspring: Flat
Standard Dial Type: Single-Sunk
Adjusted: No
Railroad Grade: No
Movement Markings: U.S. Watch Co.
Waltham, Mass.
Safety Pinion
Case: Various
Run ID: 63.64G4.6S10.61889M10.H22.L22.11J12
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
39.82
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
271.78
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.977%
Registry Population: 2 (0.13%)

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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.


cbzimm Supporter 468 · January 18, 2023

Serial Number 36666 was reported as inaccurate.

Note: 6 size hunter case, nickel, lever set, 9 or 11
jewel (lever pivot not jeweled)
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from Unknown to 64
Size changed from 18 to 6
U.S. Watch Co. (Waltham, Mass) Grade 64 Pocket Watch