Pocket Watch Database
https://pocketwatchdatabase.com/search/result/non-magnetic-watch-co/301817/movement
Access Date: December 23, 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: 83
Manufacturer: | Non-Magnetic Watch Co. | |
Manufacturer Location: | Geneva, Switzerland and USA | |
Movement Serial Number: | 301817 | |
Grade: | 83 | |
Model: | 2 | |
Estimated Production Year: | 1890 | |
Run Quantity: | 2,600 | |
Grade/Model Run: | 1 of 1 | |
Grade/Model Total Production: | 2,600 | |
Size: | 16s | |
Jewels: | 11j | |
Jewel Setting: | Screw-Set | |
Movement Configuration: | Hunting | |
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 |
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Case: | Various | |
Run ID: | 73.83G1.16S69.162M12.H35.L60.11J1 | |
Database Version: | v52.518 | |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 7.83 | |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 86.44 | |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 3.270% | |
Registry Population: Scoped for This Run Only | 16 (0.62%) | |
Research Note: Possible Mixed Run: Some 10-Jewel movements are not jeweled on the upper pallet fork pivot or lower escape wheel. Some 11-Jewel movements are jeweled in the lower escape wheel pivot rather than the pallet fork.
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Production Metrics Tree: Grade 83
Target Profile: 16S-M2-11J-HGL-U
Non-Magnetic Watch Co. Grade 83 (All Variations): 2,600 ETP |
16S: 2,600 100.00% 16s, Grade 83 |
16S-M2: 2,600 100.00% 16s, Grade 83, Model 2 |
16S-M2-11J: 2,600 100.00% 16s, Grade 83, Model 2, 11 Jewels |
16S-M2-11J-HGL: 2,600 100.00% 16s, Grade 83, Model 2, 11 Jewels, Hunting/Lever/Gilt |
16S-M2-11J-HGL-U: 2,600 100.00% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 16 watches in the population registry for this run with 12 images.
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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.
HerbertTrw Supporter 143 · December 20, 2023
Serial Number 300036 was reported as accurate.
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