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 73 Pocket Watch
Non-Magnetic Watch Co. Grade 73 Pocket Watch

Non-Magnetic Watch Co.

Grade: 73

Manufacturer: Non-Magnetic Watch Co.
Manufacturer Location: Geneva, Switzerland and USA
Movement Serial Number: 56908
Grade: 73
Model: 1
Estimated Production Year: 1888
Run Quantity: 400
Grade/Model Run: 2 of 9
Grade/Model Total Production: 2,400
Variant Est. Production: 1,800 (16S-M1-16J-ONL)
Size: 16s
Jewels: 16j
Jewel Material: Ruby
Jewel Setting: Raised Gold Settings (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: Yes
Adjusted # of Positions: 2
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
Adjusted
Case: Various
Run ID: 16.73G2.16S12.161M11.O2.L11.16J2
Database Version: v52.391
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
5.42
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
59.32
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.264%
Registry Population:
Scoped for This Run Only
2 (0.50%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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.


medhamred Supporter 136 · July 4, 2024

Serial Number 57198 was reported as accurate.

Non-Magnetic Watch Co. Grade 73 Pocket Watch
Non-Magnetic Watch Co. Grade 73 Pocket Watch