U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 150421 (Grade The President)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/150421

Access Date: December 19, 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: The President

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	150421
Grade:	The President
Model:	1892
Estimated Production Year:	1897
Run Quantity:	580
Grade/Model Run:	1 of 2
Grade/Model Total Production:	600
Variant Est. Production:	580 (18S-M1892-17J-OTL)
Size:	18s
Jewels:	17j
Jewel Material:	Ruby
Jewel Setting:	Gold Settings (Screw-Set)
Movement Configuration:	Openface
Movement Finish:	Two-Tone
Movement Setting:	Lever
Plate:	Full Plate
Train:	Quick
Regulator:	Matheson
Hairspring:	Breguet
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	Yes
U.S. Patents:	308409, 493508
Movement Markings:	U.S. Watch Co. Waltham, Mass. The President Adjusted
Case:	Various
Run ID:	235.G2.18S117.181892M26.O68.L191.17J13
Database Version:	v52.515
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	1.80
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	12.07
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.176%
Registry Population: Scoped for This Run Only	20 (3.45%)

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Production Metrics Tree: Grade The President

Target Profile: 18S-M1892-17J-OTL-APTI

U.S. Watch Co. (Waltham, Mass) Grade The President (All Variations): 800 ETP
18S: 800 100.00% 18s, Grade The President
18S-M1892: 600 75.00% 18s, Grade The President, Model 1892		Other: 200 Other Models or Unclassified
18S-M1892-17J: 600 75.00% 18s, Grade The President, Model 1892, 17 Jewels
18S-M1892-17J-OTL: 580 72.50% 18s, Grade The President, Model 1892, 17 Jewels, Openface/Lever/Two-Tone	Other: 20 Other Configs or Unclassified
18S-M1892-17J-OTL-APTI: 580 72.50%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 20 watches in the population registry for this run with 12 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.