U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 607258 (Grade 96)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/607258

Access Date: November 14, 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: 96

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	607258
Grade:	96
Model:	1892
Estimated Production Year:	1902
Run Quantity:	500
Grade/Model Run:	2 of 2
Grade/Model Total Production:	2,500
Size:	18s
Jewels:	11j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	Full Plate
Regulator:	Matheson
Hairspring:	Breguet
Standard Dial Type:	Single-Pressed
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	308409, 493508
Movement Markings:	U.S. Watch Co. Waltham, Mass. A New Watch Company At Waltham Est'd. 1885
Case:	Various
Run ID:	257.96G2.18S129.181892M33.O73.L212.11J63
Database Version:	v52.431
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	7.52
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	50.92
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.734%
Registry Population: Scoped for This Run Only	4 (0.80%)
Research Note: Gold Balance Jewels?

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Production Metrics Tree: Grade 96

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

U.S. Watch Co. (Waltham, Mass) Grade 96 (All Variations): 2,500 ETP

18S: 2,500 100.00%
18s, Grade 96

18S-M1892: 2,500 100.00%
18s, Grade 96, Model 1892

18S-M1892-11J: 2,500 100.00%
18s, Grade 96, Model 1892, 11 Jewels

18S-M1892-11J-ONL: 2,500 100.00%
18s, Grade 96, Model 1892, 11 Jewels, Openface/Lever/Nickel

18S-M1892-11J-ONL-U: 2,500 100.00%

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.