U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 121620 (Grade 65)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/121620/movement

Access Date: December 21, 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: 65

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	121620
Grade:	65
Model:	1889
Estimated Production Year:	1892
Run Quantity:	2,000
Grade/Model Run:	11 of 11
Grade/Model Total Production:	8,500
Size:	6s
Jewels:	11j
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Gilt
Movement Setting:	Lever
Plate:	3/4 Split 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:	187.65G11.6S50.61889M50.H121.L143.11J51
Database Version:	v52.517
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	25.59
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	173.62
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	2.494%
Registry Population: Scoped for This Run Only	7 (0.35%)

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Production Metrics Tree: Grade 65

Target Profile: 6S-M1889-11J-HGL-U

U.S. Watch Co. (Waltham, Mass) Grade 65 (All Variations): 8,500 ETP

6S: 8,500 100.00%
6s, Grade 65

6S-M1889: 8,500 100.00%
6s, Grade 65, Model 1889

6S-M1889-11J: 8,500 100.00%
6s, Grade 65, Model 1889, 11 Jewels

6S-M1889-11J-HGL: 8,500 100.00%
6s, Grade 65, Model 1889, 11 Jewels, Hunting/Lever/Gilt

6S-M1889-11J-HGL-U: 8,500 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 7 watches in the population registry for this run with 5 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.