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: 74

Manufacturer: Non-Magnetic Watch Co.
Manufacturer Location: Geneva, Switzerland and USA
Movement Serial Number: 60443
Grade: 74
Model: 1
Estimated Production Year: 1890
Run Quantity: 600
Grade/Model Run: 8 of 11
Grade/Model Total Production: 3,555
Variant Est. Production: 1,200 (16S-M1-15J-ONL)
Size: 16s
Jewels: 15j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Black
Movement Setting: Lever
Plate: 3/4 Plate
Balance Type: Expansion
Regulator: Reed
Hairspring: Non-magnetic
Standard Dial Type: Single-Sunk
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
U.S. Patents: 359093, 367158, D18722
Movement Markings: Non-Magnetic Watch Co. of America
Paillard's Patent
Balance & Spring
Safety Pinion
Adjusted
Case: Various
Run ID: 33.74G8.16S29.161M28.O7.L28.15J8
Database Version: v52.246
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
3.61
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
38.98
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.509%
Registry Population: 3 (0.50%)
Research Note: #60216: Appears to feature gold flush settings.

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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.


Anonymous · March 17, 2024

Serial Number 60420 was reported as inaccurate.

No further details were submitted with the report.