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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/non-magnetic-watch-co/251624/movement
Access Date: December 12, 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: 82

Manufacturer: Non-Magnetic Watch Co. Question Mark
Manufacturer Location: Geneva, Switzerland and USA Question Mark
Movement Serial Number: 251624 Question Mark
Grade: 82 Question Mark
Model: 2 Question Mark
Estimated Production Year: 1894 Question Mark
Run Quantity: 300 Question Mark
Grade/Model Run: 3 of 4 Question Mark
Grade/Model Total Production: 1,550 Question Mark
Size: 16s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: Bridge Plate Question Mark
Bridge Type: Center Question Mark
Regulator: Reed Question Mark
Hairspring: Non-magnetic Question Mark
Standard Dial Type: Single-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: No Question Mark
Adjusted to Temperature: Yes Question Mark
U.S. Patents: 359093, 367158, D18723, 384668, 384669, 384670 Question Mark
Movement Markings: Non-Magnetic Watch Co. of America
Paillard's Pat. Balance & Spring
Safety Pinion
Adjusted
Case: Various Question Mark
Run ID: 67.82G3.16S63.162M9.H33.L57.15J19 Question Mark
Database Version: v52.506 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 4.66 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 50.85 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 1.950% Question Mark
Registry Population:
Scoped for This Run Only		3 (1.00%) Question Mark
Research Note: #251624: Features a distinctive serial style that differs from other Grade 82 movements.
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Production Metrics Tree: Grade 82

Target Profile: 16S-M2-15J-HGL-AT

Non-Magnetic Watch Co. Grade 82 (All Variations): 1,550 ETP
16S: 1,550 100.00%
16s, Grade 82
16S-M2: 1,550 100.00%
16s, Grade 82, Model 2
16S-M2-15J: 1,550 100.00%
16s, Grade 82, Model 2, 15 Jewels
16S-M2-15J-HGL: 1,550 100.00%
16s, Grade 82, Model 2, 15 Jewels, Hunting/Lever/Gilt
16S-M2-15J-HGL-AT: 1,550 100.00%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 3 watches in the population registry for this run with 2 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.

Anonymous · October 27, 2022

Serial Number 251563 was reported as accurate.