U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 31520 (Grade 66)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/31520

Access Date: April 29, 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: 66

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	31520
Grade:	66
Model:	1889
Estimated Production Year:	Members Only Data
Run Quantity:	Members Only Data
Grade/Model Run:	Members Only Data
Grade/Model Total Production:	Members Only Data
Size:	6s
Jewels:	7j
Movement Configuration:	Hunting
Movement Finish:	Gilt
Movement Setting:	Lever
Wind Mechanism:	Pendant
Plate:	3/4 Split Plate
Regulator:	Members Only Data
Hairspring:	Members Only Data
Standard Dial Type:	Members Only Data
Adjusted:	Members Only Data
Railroad Grade:	Members Only Data
Movement Markings:	Members Only Data
Case:	Various
Run ID:	58.66G1.6S2.61889M2.H14.L14.7J10
Database Version:	v52.642
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	3 (0.38%)

10 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Regulator Type, Hairspring, Standard Dial Type, Adjustments, Railroad Grade Designation, Movement Markings

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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