U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 43602 (Grade 48)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/43602

Access Date: November 13, 2024

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: 48

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	43602
Grade:	48
Model:	1888h
Estimated Production Year:	1890
Run Quantity:	4,500
Grade/Model Run:	4 of 10
Grade/Model Total Production:	16,100
Size:	18s
Jewels:	7j
Movement Configuration:	Hunting
Movement Finish:	Gilt
Movement Setting:	Lever
Plate:	Full Plate
Train:	Quick
Regulator:	Plain
Hairspring:	Flat
Standard Dial Type:	Single-Pressed
Adjusted:	No
Railroad Grade:	No
Movement Markings:	U.S. Watch Co. Waltham, Mass.
Case:	Various
Run ID:	71.48G4.18S23.M17.H29.L29.7J13
Database Version:	v52.431
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	48.47
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	329.04
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	4.724%
Registry Population: Scoped for This Run Only	5 (0.11%)

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Production Metrics Tree: Grade 48

Target Profile: 18S-M1888H-7J-HGL-U

U.S. Watch Co. (Waltham, Mass) Grade 48 (All Variations): 16,100 ETP

18S: 16,100 100.00%
18s, Grade 48

18S-M1888H: 16,100 100.00%
18s, Grade 48, Model 1888h

18S-M1888H-7J: 16,100 100.00%
18s, Grade 48, Model 1888h, 7 Jewels

18S-M1888H-7J-HGL: 16,100 100.00%
18s, Grade 48, Model 1888h, 7 Jewels, Hunting/Lever/Gilt

18S-M1888H-7J-HGL-U: 16,100 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 5 watches in the population registry for this run with 2 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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.

MoatsJustin1 top-contributor 5266 · August 28, 2023

Serial Number 45386 was reported as inaccurate.

Note: Nickle and not gilt

Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.