U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 102880 (Grade 87)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/102880

Access Date: December 04, 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: 87

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	102880
Grade:	87
Model:	1892
Estimated Production Year:	1892
Run Quantity:	3,000
Grade/Model Run:	1 of 1
Grade/Model Total Production:	3,000
Size:	18s
Jewels:	11j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Gilt
Movement Setting:	Lever
Plate:	Full Plate
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:	157.87G1.18S72.181892M1.O43.L113.11J45
Database Version:	v52.479
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	9.03
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	61.15
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.880%
Registry Population: Scoped for This Run Only	10 (0.33%)

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Production Metrics Tree: Grade 87

Target Profile: 18S-M1892-11J-OGL-U

U.S. Watch Co. (Waltham, Mass) Grade 87 (All Variations): 3,000 ETP

18S: 3,000 100.00%
18s, Grade 87

18S-M1892: 3,000 100.00%
18s, Grade 87, Model 1892

18S-M1892-11J: 3,000 100.00%
18s, Grade 87, Model 1892, 11 Jewels

18S-M1892-11J-OGL: 3,000 100.00%
18s, Grade 87, Model 1892, 11 Jewels, Openface/Lever/Gilt

18S-M1892-11J-OGL-U: 3,000 100.00%

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.