Pocket Watch Database

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/non-magnetic-watch-co/58613
Access Date: May 10, 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: 74

Manufacturer: Non-Magnetic Watch Co.
Manufacturer Location: Geneva, Switzerland and USA
Movement Serial Number: 58613
Grade: 74
Model: 1
Estimated Production Year: 1888
Run Quantity: 320
Grade/Model Run: 6 of 11
Grade/Model Total Production: 3,555
Variant Est. Production: 2,355 (16S-M1-15J-HNL)
Size: 16s
Jewels: 15j
Jewel Material: Ruby
Jewel Setting: Burnished Jewels
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: Single-Sunk
Adjusted: Yes
Adjusted to Position: No
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: 23.74G6.16S19.161M18.H15.L18.15J6
Database Version: v52.270
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 7.09
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 78.14
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 2.962%
Registry Population: 2 (0.63%)
Research Note: Burnished Jewels (Assumed 15 Jewels, No Known 11-Jewel Grades from Badollet Factory)
Value Guide
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Production Metrics Tree: Grade 74

Target Profile: 16S-M1-15J-HNL-ATI

Non-Magnetic Watch Co. Grade 74 (All Variations): 3,555 ETP
16S: 3,555 100.00%
16s, Grade 74
16S-M1: 3,555 100.00%
16s, Grade 74, Model 1
16S-M1-15J: 3,555 100.00%
16s, Grade 74, Model 1, 15 Jewels
16S-M1-15J-HNL: 2,355 66.24%
16s, Grade 74, Model 1, 15 Jewels, Hunting/Lever/Nickel 		Other: 1,200
Other Configs or Unclassified
16S-M1-15J-HNL-ATI: 2,355 66.24%

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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