Non-Magnetic Watch Co. Pocket Watch: Serial Number 301166 (Grade 83)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/non-magnetic-watch-co/301166/movement

Access Date: December 18, 2024

Due to the lack of existing factory records, our Non-Magnetic Watch Co. 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.

From the American Horology Archive:

Non-Magnetic Watch Co.

Grade: 83

Manufacturer:	Non-Magnetic Watch Co.
Manufacturer Location:	Geneva, Switzerland and USA
Movement Serial Number:	301166
Grade:	83
Model:	2
Estimated Production Year:	1889
Run Quantity:	2,600
Grade/Model Run:	1 of 1
Grade/Model Total Production:	2,600
Size:	16s
Jewels:	11j
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Gilt
Movement Setting:	Lever
Plate:	Bridge Plate
Bridge Type:	Center
Regulator:	Plain
Hairspring:	Non-magnetic
Standard Dial Type:	Single-Sunk
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	359093, 367158, D18723, 384668, 384669, 384670
Movement Markings:	Non-Magnetic Watch Co. of America Paillard's Pat. Balance & Spring Safety Pinion
Case:	Various
Run ID:	73.83G1.16S69.162M12.H35.L60.11J1
Database Version:	v52.515
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	7.83
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	86.44
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	3.270%
Registry Population: Scoped for This Run Only	16 (0.62%)
Research Note: Possible Mixed Run: Some 10-Jewel movements are not jeweled on the upper pallet fork pivot or lower escape wheel. Some 11-Jewel movements are jeweled in the lower escape wheel pivot rather than the pallet fork.

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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.