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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/non-magnetic-watch-co/57684
https://pocketwatchdatabase.com/search/result/non-magnetic-watch-co/57684
Access Date: March 06, 2025
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: 71
| Manufacturer: | Non-Magnetic Watch Co. |  |
| Manufacturer Location: | Geneva, Switzerland and USA | |
| Movement Serial Number: | 57684 | |
| Grade: | 71 | |
| Model: | 1 | |
| Estimated Production Year: | 1888 | |
| Run Quantity: | 500 | |
| Grade/Model Run: | 1 of 4 | |
| Grade/Model Total Production: | 800 | |
| Variant Est. Production: | 700 (16S-M1-20J-HNL) | |
| Size: | 16s | |
| Jewels: | 20j | |
| Jewel Material: | Ruby | |
| Jewel Setting: | Raised Gold Settings (Screw-Set) | |
| Movement Configuration: | Hunting | |
| 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: | Double-Sunk | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Adjusted # of Positions: | 6 | |
| 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: | 18.71G1.16S14.161M13.H10.L13.20J1 | |
| Database Version: | v52.621 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 2.10 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 22.03 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.879% | |
| Registry Population: Scoped for This Run Only | 2 (0.40%) | |
Production Metrics Tree: Grade 71
Target Profile: 16S-M1-20J-HNL-A6PTI
| Non-Magnetic Watch Co. Grade 71 (All Variations): 800 ETP | |
| 16S: 800 100.00% 16s, Grade 71 |
|
| 16S-M1: 800 100.00% 16s, Grade 71, Model 1 |
|
| 16S-M1-20J: 800 100.00% 16s, Grade 71, Model 1, 20 Jewels |
|
| 16S-M1-20J-HNL: 700 87.50% 16s, Grade 71, Model 1, 20 Jewels, Hunting/Lever/Nickel |
Other: 100
Other Configs or Unclassified |
| 16S-M1-20J-HNL-A6PTI: 700 87.50% | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 2 watches in the population registry for this run with 1 image.
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Verification Reports for this Run
There are currently no verifications for this range.
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This WatchFrom This RunImage Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction
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Image Source/Credit: eBay Auction