Non-Magnetic Watch Co. Pocket Watch: Serial Number 63825 (Grade 73)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/non-magnetic-watch-co/63825

Access Date: November 30, 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: 73

Manufacturer:	Non-Magnetic Watch Co.
Manufacturer Location:	Geneva, Switzerland and USA
Movement Serial Number:	63825
Grade:	73
Model:	1
Estimated Production Year:	1893
Run Quantity:	300
Grade/Model Run:	7 of 9
Grade/Model Total Production:	2,400
Variant Est. Production:	1,800 (16S-M1-16J-ONL)
Size:	16s
Jewels:	16j
Jewel Material:	Ruby
Jewel Setting:	Raised Gold Settings (Screw-Set)
Movement Configuration:	Openface
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:	Yes
Adjusted # of Positions:	2
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:	46.73G7.16S42.161M41.O17.L41.16J7
Database Version:	v52.470
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	5.42
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	59.32
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	2.264%
Registry Population: Scoped for This Run Only	4 (1.33%)

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Production Metrics Tree: Grade 73

Target Profile: 16S-M1-16J-ONL-A2PTI

Non-Magnetic Watch Co. Grade 73 (All Variations): 2,400 ETP
16S: 2,400 100.00% 16s, Grade 73
16S-M1: 2,400 100.00% 16s, Grade 73, Model 1
16S-M1-16J: 2,400 100.00% 16s, Grade 73, Model 1, 16 Jewels
16S-M1-16J-ONL: 1,800 75.00% 16s, Grade 73, Model 1, 16 Jewels, Openface/Lever/Nickel	Other: 600 Other Configs or Unclassified
16S-M1-16J-ONL-A2PTI: 1,800 75.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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