U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 150431 (Grade The President)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/150431

Access Date: May 12, 2025

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.

The United States Watch Co. of Waltham, Massachusetts should not be confused with the more common American Waltham Watch Co. If the movement is NOT marked "U.S. Watch Co." or "United States Watch Co." please conduct a lookup under the American Waltham Watch Company.

From the American Horology Archive:

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

Grade: The President

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	150431
Grade:	The President
Model:	1892
Estimated Production Year:	1897
Run Quantity:	580
Grade/Model Run:	1 of 2
Grade/Model Total Production:	600
Size:	18s
Jewels:	17j
Jewel Material:	Ruby
Jewel Setting:	Gold Settings (Screw-Set)
Movement Configuration:	Openface
Movement Finish:	Two-Tone
Movement Setting:	Lever
Wind Mechanism:	Pendant
Plate:	Full Plate
Train:	Quick
Regulator:	Matheson
Hairspring:	Breguet
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	Yes
U.S. Patents:	308409, 493508
Movement Markings:	U.S. Watch Co. Waltham, Mass. The President Adjusted
Case:	Various
Run ID:	236.G2.18S117.181892M26.O68.L192.17J13
Database Version:	v52.646
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Registry Population: Scoped for This Run Only	20 (3.45%)

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.