Pocket Watch Database

From the American Horology Archive:
Elgin Grade 309 Pocket Watch

Elgin National Watch Co.

Grade: 309

Manufacturer: Elgin
Manufacturer Location: Elgin, Illinois
Movement Serial Number: 13863263
Grade: 309
Model: 4
Class: 105
Estimated Production Year: 1909
Run Quantity: 3,000
Grade/Model Run: 32 of 65
Grade/Model Total Production: 134,900
Size: 18s
Jewels: 7j
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Lever
Plate: Full Plate
Barrel: Going
Train: Quick
Regulator: Plain
Adjusted: No
Railroad Grade: No
U.S. Patents: 77078
Data Research: 1909 Elgin Serial List
1915 Elgin Serial List
1927/1950 Elgin Serial List
Case: Various
Registry Population: 11 (0.37%)
Database Version: v49.752

Production Metrics Tree: Grade 309

Target Profile: 18S-M4-7J-HGL-U

Elgin Grade 309 (All Variations): 134,900 ETP
18S: 134,900 100.00%
18s, Grade 309
18S-M4: 134,900 100.00%
18s, Grade 309, Model 4
18S-M4-7J: 134,900 100.00%
18s, Grade 309, Model 4, 7 Jewels
18S-M4-7J-HGL: 134,900 100.00%
18s, Grade 309, Model 4, 7 Jewels, Hunting/Lever/Gilt
18S-M4-7J-HGL-U: 134,900 100.00%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 13863103 #1103 Marketplace August 08, 2016
2 13863263 #1263 Collection January 24, 2023
3 13863382 #1382 Collection March 05, 2016
4 13863395 #1395 Marketplace April 07, 2013
5 13863577 #1577 Inferred
6
Image Credit: rbivgq1734
13863903 #1903 Collection September 09, 2020
7 13863940 #1940 Collection December 21, 2021
8 13864248 #2248 Marketplace November 15, 2014
9 13864516 #2516 Marketplace June 11, 2017
10 13864549 #2549 Marketplace December 08, 2019
11 13864588 #2588 Marketplace November 26, 2013
Standard Deviation of Known Examples: 552.09 (Expected: 866.17, Δ314.07/10.47%)

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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.


rbivgq1734 35 · September 9, 2020

Serial Number 13863903 was reported as accurate.

Anonymous · February 22, 2020

Serial Number 13862323 was reported as inaccurate.

Note: The pivot locations look closer to the photo
uploaded by ricebrianric serial number 14772127.
Please keep up the good work.
Shane
Curator Response: Thanks for the report and excellent eye. The 18s Model 4 movement diagram, published in factory-issued material catalogs, features a straight-line escapement. In contrast, the Grade 309 features a right-angle escapement. As a result, the train location is slightly different.

Anonymous · January 2, 2020

Serial Number 13863100 was reported as accurate.

ethnfreeman 8 · March 5, 2016

Serial Number 13863382 was reported as accurate.

Gimparoo Supporter 703 · December 8, 2015

Serial Number 13864588 was reported as accurate.

Anonymous · December 31, 2013

Serial Number 13863882 was reported as accurate.

Anonymous · April 22, 2013

Serial Number 13863145 was reported as accurate.

Anonymous · November 21, 2012

Serial Number 13864748 was reported as accurate.

Elgin Grade 309 Pocket Watch