Elgin Pocket Watch: Serial Number 21055280 (Grade 345)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/elgin/21055280

Access Date: May 24, 2025

From the American Horology Archive:

Elgin National Watch Co.

Grade: 345

Manufacturer:	Elgin
Manufacturer Location:	Elgin, Illinois
Movement Serial Number:	21055280
Grade:	345
Model:	3
Class:	114
Estimated Production Year:	1919
Run Quantity:	2,000
Grade/Model Run:	88 of 205
Grade/Model Total Production:	740,900
Variant Est. Production:	726,900 (12S-M3-17J-ONP-U)
Size:	12s
Jewels:	17j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Pendant
Wind Mechanism:	Pendant
Plate:	3/4 Plate
Double Roller:	Yes
Barrel:	Going
Balance Type:	Expansion
Balance Jewel Material:	Ruby
Train:	Quick
Regulator:	Moseley
Hairspring:	Breguet
Standard Dial Type:	Single-Sunk
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	596407, 77078, 585025
Case:	Various
Run ID:	10540.345G88.12S1528.123M749.O4341.P7751.17J1525
Data Research:	1927/1950 Elgin Serial List
Database Version:	v52.649
Advanced Metrics
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Registry Population: Scoped for This Run Only	10 (0.50%)
$ Estimated Value (12 Month Change):	17.11% Analyzing 2,577 Sales

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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.