Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/non-magnetic-watch-co/51842
https://pocketwatchdatabase.com/search/result/non-magnetic-watch-co/51842
Access Date: May 28, 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: 72
| Manufacturer: | Non-Magnetic Watch Co. |  |
| Manufacturer Location: | Geneva, Switzerland and USA | |
| Movement Serial Number: | 51842 | |
| Grade: | 72 | |
| Model: | 1 | |
| Estimated Production Year: | 1887 | |
| Run Quantity: | 45 | |
| Grade/Model Run: | 1 of 10 | |
| Grade/Model Total Production: | 1,145 | |
| Variant Est. Production: | 745 (16S-M1-18J-HNL) | |
| Size: | 16s | |
| Jewels: | 18j | |
| Jewel Material: | Ruby | |
| Jewel Setting: | Raised Gold Settings (Screw-Set) | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Nickel | |
| Movement Inlay Color: | Gilt | |
| Movement Setting: | Lever | |
| Plate: | 3/4 Plate | |
| Balance Type: | Expansion | |
| Regulator: | Reed | |
| Hairspring: | Non-magnetic | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Adjusted # of Positions: | 4 | |
| Adjusted to Temperature: | Yes | |
| Adjusted to Isochronism: | Yes | |
| U.S. Patents: | 359093, 367158, D18722 | |
| Movement Markings: | Geneva Nonmagnetic Watch Co Ld New York Paillard's Patent Balance and Spiral Adjusted |
|
| Case: | Various | |
| Run ID: | 5.72G1.16S1.161M1.H1.L1.18J1 | |
| Database Version: | v52.304 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 2.24 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 23.56 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.937% | |
| Registry Population: | 1 (2.22%) | |
|
Research Note: "Button Collar" Hairspring Stud
|
||
Production Metrics Tree: Grade 72
Target Profile: 16S-M1-18J-HNL-A4PTI
| Non-Magnetic Watch Co. Grade 72 (All Variations): 1,145 ETP | |
| 16S: 1,145 100.00% 16s, Grade 72 |
|
| 16S-M1: 1,145 100.00% 16s, Grade 72, Model 1 |
|
| 16S-M1-18J: 1,145 100.00% 16s, Grade 72, Model 1, 18 Jewels |
|
| 16S-M1-18J-HNL: 745 65.07% 16s, Grade 72, Model 1, 18 Jewels, Hunting/Lever/Nickel |
Other: 400
Other Configs or Unclassified |
| 16S-M1-18J-HNL-A4PTI: 745 65.07% | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There is 1 watch in the population registry for this run with 1 image.
|
|||||
Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
Verification Reports for this Run
There are currently no verifications for this range.
-
This WatchFrom This RunImage Source/Credit: Jones & Horan Auctions
-
Image Source/Credit: Jones & Horan Auctions
-
Image Source/Credit: eBay Auction
-
Image Source/Credit: Jones & Horan Auctions
-
Image Source/Credit: eBay Auction
