U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 105246 (Grade 84)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/105246/movement

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: 84

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	105246
Grade:	84
Model:	1892
Estimated Production Year:	1893
Run Quantity:	300
Grade/Model Run:	1 of 6
Grade/Model Total Production:	700
Variant Est. Production:	600 (18S-M1892-15J-ONL)
Size:	18s
Jewels:	15j
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.
Case:	Various
Run ID:	165.84G1.18S80.181892M9.O51.L121.15J49
Database Version:	v52.479
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	2.10
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	14.11
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.205%
Registry Population: Scoped for This Run Only	3 (1.00%)

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Production Metrics Tree: Grade 84

Target Profile: 18S-M1892-15J-ONL-U

U.S. Watch Co. (Waltham, Mass) Grade 84 (All Variations): 700 ETP
18S: 700 100.00% 18s, Grade 84
18S-M1892: 700 100.00% 18s, Grade 84, Model 1892
18S-M1892-15J: 700 100.00% 18s, Grade 84, Model 1892, 15 Jewels
18S-M1892-15J-ONL: 600 85.71% 18s, Grade 84, Model 1892, 15 Jewels, Openface/Lever/Nickel	Other: 100 Other Configs or Unclassified
18S-M1892-15J-ONL-U: 600 85.71%

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.