Elgin Pocket Watch: Serial Number 21332095 (Grade 312)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/elgin/21332095

Access Date: January 31, 2023

From the American Horology Archive:

Elgin National Watch Co.

Grade: 312

Manufacturer:	Elgin
Manufacturer Location:	Elgin, Illinois
Movement Serial Number:	21332095
Grade:	312
Model:	6
Class:	109
Estimated Production Year:	1919
Run Quantity:	2,000
Grade/Model Run:	175 of 233
Grade/Model Total Production:	366,000
Size:	16s
Jewels:	15j
Jewel Setting:	Screw-Set
Movement Configuration:	Hunting
Movement Finish:	Nickel
Movement Setting:	Pendant
Plate:	3/4 Plate
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
Data Research:	1927/1950 Elgin Serial List
Case:	Various
Registry Population:	5 (0.25%)
Database Version:	v49.716

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Production Metrics Tree: Grade 312

Target Profile: 16S-M6-15J-HNP-U

Elgin Grade 312 (All Variations): 366,000 ETP

16S: 366,000 100.00%
16s, Grade 312

16S-M6: 366,000 100.00%
16s, Grade 312, Model 6

16S-M6-15J: 366,000 100.00%
16s, Grade 312, Model 6, 15 Jewels

16S-M6-15J-HNP: 366,000 100.00%
16s, Grade 312, Model 6, 15 Jewels, Hunting/Pendant/Nickel

16S-M6-15J-HNP-U: 366,000 100.00%

Population Registry for This Run

	Serial Number	Run Position	Primary Identification Method	Discovery Date
1	21332003	#3	Collection	January 26, 2015
2	21333058	#1058	Marketplace	August 21, 2015
3	21333186	#1186	Marketplace	September 18, 2016
4	21333279	#1279	Marketplace	October 26, 2017
5	21333590	#1590	Marketplace	March 13, 2017
Standard Deviation of Known Examples: 603.16 (Expected: 577.49, Δ25.67/1.28%)

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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.

Anonymous · December 1, 2021

Serial Number 21333529 was reported as accurate.

Anonymous · August 21, 2020

Serial Number 21332095 was reported as inaccurate.

Note: lord elgin 21 jewel ebay no.203074930441

Curator Response: Verified. [eBay #203074930441]. Movement is clearly stamped "21332095" and marked "Lord Elgin - 21 Jewels - Eight Adjustments - Elgin Nat'l Watch Co. - U.S.A." The characteristics are more consistent with the 12-Size Grade 450 classification. The second serial block of Grade 450 movements is 21,232,001-21,233,000, leading us to suspect the #21332095 movement was marked incorrectly, originally intended to be #21232095. UPDATE: This movement has been verified as marked with serial number #21232095 under the plates, confirming the theory that the top plate digit was marked erroneously. https://pocketwatchdatabase.com/search/result/elgin/21232095