Pocket Watch Database

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 81 Pocket Watch

Non-Magnetic Watch Co.

Grade: 81

Manufacturer: Non-Magnetic Watch Co.
Manufacturer Location: Geneva, Switzerland and USA
Movement Serial Number: 200883
Grade: 81
Model: 2
Estimated Production Year: 1889
Run Quantity: 4,000
Grade/Model Run: 2 of 4
Grade/Model Total Production: 4,700
Size: 16s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Inlay Color: Black
Movement Setting: Lever
Plate: Bridge Plate
Bridge Type: Center
Regulator: Reed
Hairspring: Non-magnetic
Standard Dial Type: Single-Sunk
Adjusted: Yes
Adjusted to Position: No
Adjusted to Temperature: Yes
U.S. Patents: 359093, 367158, D18723, 384668, 384669, 384670
Movement Markings: Non-Magnetic Watch Co. of America
Paillard's Pat. Balance & Spring
Safety Pinion
Adjusted
Case: Various
Run ID: 59.81G2.16S55.162M3.H28.L51.15J13
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
14.07
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
157.63
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
5.912%
Registry Population: 17 (0.43%)
Research Note: #201966: Illustrated Catalog Cut as No. 81 [1893SMF].

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Non-Magnetic Watch Co. Grade 81 Pocket Watch