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 84A Pocket Watch

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

Grade: 84A

Private Label(s) in Run:

Express Train

What is a Private Label?
Manufacturer: U.S. Watch Co. (Waltham, Mass)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 104018
Grade: 84A
Model: 1892
Estimated Production Year: 1892
Run Quantity: 100
Grade/Model Run: 1 of 1
Grade/Model Total Production: 100
Size: 18s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Regulator: Matheson
Hairspring: Breguet
Standard Dial Type: Double-Sunk
Adjusted: Yes
U.S. Patents: 308409, 493508
Movement Markings: U.S. Watch Co.
Waltham, Mass.
Adjusted
Case: Various
Run ID: 156.G1.18S71.181892M4.O44.L114.15J43
Database Version: v52.387
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
0.30
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.84
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.029%
Registry Population:
Scoped for This Run Only
1 (1.00%)
Research Note: #104061: Reported as 15-Jewel, Adjusted, Nickel OF Movement. #104018: Verified with "Express Train" marked on barrel bridge and "Jno. J. McGrane - New York" marked on dial.

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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 · May 11, 2023

Serial Number 104061 was reported as inaccurate.

Note: This one is 15 jewels adjusted nickel movement
open face.
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 79 to 84a
Jewels changed from 16j to 15j
U.S. Watch Co. (Waltham, Mass) Grade 84A Pocket Watch