Non-Magnetic Watch Co. Pocket Watch: Serial Number 51842 (Grade 72)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/non-magnetic-watch-co/51842/link

Access Date: May 01, 2025

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:	Members Only Data
Run Quantity:	Members Only Data
Grade/Model Run:	Members Only Data
Grade/Model Total Production:	Members Only Data
Variant Est. Production:	Members Only Data
Size:	16s
Jewels:	18j
Jewel Material:	Members Only Data
Jewel Setting:	Members Only Data
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Inlay Color:	Members Only Data
Movement Setting:	Lever
Wind Mechanism:	Pendant
Plate:	3/4 Plate
Balance Type:	Expansion
Regulator:	Members Only Data
Hairspring:	Members Only Data
Adjusted:	Members Only Data
Adjusted to Position:	Members Only Data
Adjusted # of Positions:	Members Only Data
Adjusted to Temperature:	Members Only Data
Adjusted to Isochronism:	Members Only Data
U.S. Patents:	Members Only Data
Movement Markings:	Members Only Data
Case:	Various
Run ID:	5.72G1.16S1.161M1.H1.L1.18J1
Database Version:	v52.642
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	1 (2.22%)
Research Note: "Button Collar" Hairspring Stud

17 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Material, Jewel Setting, Movement Inlay Color, Regulator Type, Hairspring, Adjustments, Adjusted to Position, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, U.S. Patents, Movement Markings

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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