Elgin Pocket Watch: Serial Number 20566543 (Grade 291)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/elgin/20566543

Access Date: May 21, 2025

From the American Horology Archive:

Elgin National Watch Co.

Grade: 291

Manufacturer:	Elgin
Manufacturer Location:	Elgin, Illinois
Movement Serial Number:	20566543
Grade:	291
Model:	7
Class:	110
Estimated Production Year:	1918
Run Quantity:	6,000
Grade/Model Run:	200 of 424
Grade/Model Total Production:	1,487,000
Variant Est. Production:	1,462,000 (16S-M7-7J-ONP)
Size:	16s
Jewels:	7j
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Pendant
Wind Mechanism:	Pendant
Plate:	3/4 Plate
Barrel:	Going
Balance Type:	Expansion
Balance Jewel Material:	Ruby
Train:	Quick
Regulator:	Plain
Hairspring:	Breguet
Standard Dial Type:	Single-Sunk
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	596407, 77078, 585025
Case:	Various
Run ID:	10344.291G200.16S2547.167M943.O4216.P7567.7J4328
Data Research:	1927/1950 Elgin Serial List
Database Version:	v52.648
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Registry Population: Scoped for This Run Only	20 (0.33%)

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.