U.S. Watch Co. (Waltham, Mass) Pocket Watch: Serial Number 134997 (Grade 108)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/134997/movement

Access Date: March 16, 2025

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: 108

Manufacturer:	U.S. Watch Co. (Waltham, Mass)
Manufacturer Location:	Waltham, Massachusetts
Movement Serial Number:	134997
Grade:	108
Model:	1895
Estimated Production Year:	1895
Run Quantity:	200
Grade/Model Run:	2 of 15
Grade/Model Total Production:	11,400
Variant Est. Production:	1,800 (16S-M1895-11J-HAL)
Size:	16s
Jewels:	11j
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Acid Etched
Finish Pattern:	Butterfly
Movement Setting:	Lever
Plate:	3/4 Plate
Train:	Quick
Regulator:	Plain
Hairspring:	Flat
Standard Dial Type:	Single-Pressed
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	584531
Movement Markings:	U.S. Watch Co. Waltham, Mass.
Case:	Various
Run ID:	212.108G2.16S39.161895M5.H145.L168.11J53
Database Version:	v52.623
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	34.32
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	233.06
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	3.306%
Registry Population: Scoped for This Run Only	1 (0.50%)

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Production Metrics Tree: Grade 108

Target Profile: 16S-M1895-11J-HAL-U

U.S. Watch Co. (Waltham, Mass) Grade 108 (All Variations): 11,400 ETP
16S: 11,400 100.00% 16s, Grade 108
16S-M1895: 11,400 100.00% 16s, Grade 108, Model 1895
16S-M1895-11J: 11,400 100.00% 16s, Grade 108, Model 1895, 11 Jewels
16S-M1895-11J-HAL: 1,800 15.79% 16s, Grade 108, Model 1895, 11 Jewels, Hunting/Lever/Acid Etched	Other: 9,600 Other Configs or Unclassified
16S-M1895-11J-HAL-U: 1,800 15.79%

Population Registry for This Run

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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.