Elgin Pocket Watch: Serial Number 22609940 (Grade 387)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/elgin/22609940

Access Date: January 29, 2023

From the American Horology Archive:

Elgin National Watch Co.

Grade: 387

Manufacturer:	Elgin
Manufacturer Location:	Elgin, Illinois
Movement Serial Number:	22609940
Grade:	387
Model:	7
Class:	110
Estimated Production Year:	1920
Run Quantity:	2,000
Grade/Model Run:	82 of 228
Grade/Model Total Production:	357,700
Variant Est. Production:	347,700 (16S-M7-17J-ONP)
Size:	16s
Jewels:	17j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Pendant
Plate:	3/4 Plate
Double Roller:	Yes
Barrel:	Going
Balance Type:	Expansion
Train:	Quick
Regulator:	Moseley
Hairspring:	Breguet
Adjusted:	No
Railroad Grade:	No
U.S. Patents:	596407, 77078, 585025
Data Research:	1927/1950 Elgin Serial List
Case:	Various
Registry Population:	10 (0.50%)
Database Version:	v49.712

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Production Metrics Tree: Grade 387

Target Profile: 16S-M7-17J-ONP-U

Elgin Grade 387 (All Variations): 357,700 ETP
16S: 357,700 100.00% 16s, Grade 387
16S-M7: 357,700 100.00% 16s, Grade 387, Model 7
16S-M7-17J: 357,700 100.00% 16s, Grade 387, Model 7, 17 Jewels
16S-M7-17J-ONP: 347,700 97.20% 16s, Grade 387, Model 7, 17 Jewels, Openface/Pendant/Nickel	Other: 10,000 Other Configs or Unclassified
16S-M7-17J-ONP-U: 347,700 97.20%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		22609031	#31	Marketplace	June 22, 2022
2		22609139	#139	Marketplace	April 16, 2014
3		22609180	#180	Marketplace	November 05, 2014
4		22609400	#400	Marketplace	October 13, 2015
5		22609666	#666	Marketplace	March 03, 2018
6		22609673	#673	Marketplace	January 12, 2014
7	Image Credit: afilter	22609940	#940	Collection	January 03, 2023
8		22610051	#1051	Marketplace	April 28, 2013
9		22610122	#1122	Marketplace	May 07, 2020
10		22610924	#1924	Marketplace	March 24, 2022
Standard Deviation of Known Examples: 575.43 (Expected: 577.49, Δ2.07/0.10%)

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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.