Pocket Watch Database

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: 96

Manufacturer: Non-Magnetic Watch Co.
Manufacturer Location: Geneva, Switzerland and USA
Movement Serial Number: 327498
Grade: 96
Model: 2
Estimated Production Year: 1895
Run Quantity: 3,000
Grade/Model Run: 1 of 1
Grade/Model Total Production: 3,000
Size: 16s
Jewels: 11j
Jewel Setting: Screw-Set
Movement Configuration: Openface
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: 75.96G1.16S71.162M13.O22.L61.11J2
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
8.98
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
100.00
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.774%
Registry Population: 11 (0.37%)
Research Note: Possible Mixed Run: 10-Jewel and 11-Jewel Movements. 11-Jewel movements are jeweled on the upper pallet fork pivot or the lower escape wheel. #325852: Verified as 11-Jewel with lower escape wheel jeweled.

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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.


pmtime Supporter 400 · January 6, 2024

Serial Number 326496 was reported as accurate.

MoatsJustin1 top-contributor 4691 · November 24, 2023

Serial Number 325729 was reported as accurate.