Elgin Pocket Watch: Serial Number 309556 (Grade 58)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/elgin/309556

Access Date: January 27, 2023

From the American Horology Archive:

Elgin National Watch Co.

Grade: 58

H.H. Taylor

Manufacturer:	Elgin
Manufacturer Location:	Elgin, Illinois
Movement Serial Number:	309556
Grade:	58
Variation:	H.H. Taylor
Model:	1
Class:	3
Estimated Production Year:	1873
Run Quantity:	1,000
Grade/Model Run:	23 of 29
Grade/Model Total Production:	28,454
Variant Est. Production:	11,100 (18S-M1-15J-HGK-A-H.H. TAYLOR)
Size:	18s
Jewels:	15j
Movement Configuration:	Adaptable
Movement Finish:	Gilt
Movement Setting:	Key
Plate:	Full Plate
Barrel:	Going
Train:	Slow
Regulator:	Plain
Adjusted:	Yes
Railroad Grade:	Yes
U.S. Patents:	77078
Data Research:	1896 Elgin Serial List 1904 Elgin Serial List 1915 Elgin Serial List 1927/1950 Elgin Serial List
Case:	Various
Registry Population:	16 (1.60%)
Database Version:	v49.708

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Production Metrics Tree: Grade 58

Target Profile: 18S-M1-15J-HGK-A-H.H. TAYLOR

Elgin Grade 58 (All Variations): 28,454 ETP
18S: 28,454 100.00% 18s, Grade 58
18S-M1: 28,454 100.00% 18s, Grade 58, Model 1
18S-M1-15J: 28,454 100.00% 18s, Grade 58, Model 1, 15 Jewels
18S-M1-15J-HGK: 28,454 100.00% 18s, Grade 58, Model 1, 15 Jewels, Adaptable/Key/Gilt
18S-M1-15J-HGK-A: 14,580 51.24%		Other: 13,874 Other Adjustments or Unclassified
18S-M1-15J-HGK-A-H.H. TAYLOR: 11,100 39.01%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1		309001	#1	Collection	January 25, 2018
2		309029	#29	Marketplace	January 05, 2015
3		309084	#84	Marketplace	December 03, 2018
4		309180	#180	Marketplace	April 04, 2013
5		309236	#236	Marketplace	September 01, 2014
6		309413	#413	Marketplace	August 03, 2021
7		309545	#545	Marketplace	April 01, 2020
8	Image Credit: pivotkiller	309556	#556	Collection	February 26, 2017
9		309592	#592	Marketplace	October 18, 2017
10		309735	#735	Inferred
11		309768	#768	Marketplace	March 24, 2019
12		309838	#838	Marketplace	October 25, 2020
13		309903	#903	Marketplace	June 18, 2016
14		309909	#909	Marketplace	May 01, 2017
15		309925	#925	Marketplace	June 29, 2015
16		309972	#972	Marketplace	May 28, 2022
Standard Deviation of Known Examples: 344.69 (Expected: 288.82, Δ55.87/5.59%)

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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.