Pocket Watch Database

From the American Horology Archive:
Elgin Grade 315 Pocket Watch Movement

Elgin National Watch Co.

Grade: 315

Manufacturer: Elgin
Manufacturer Location: Elgin, Illinois
Movement Serial Number: 20200272
Grade: 315
Model: 3
Class: 114
Estimated Production Year: 1918
Run Quantity: 3,000
Grade/Model Run: 146 of 329
Total Production: 1,033,900
Size: 12s
Jewels: 15j
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
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
Database Version: v48.037

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Data Verification Reports

20200001
Verification Serial Map
20203000

Anonymous · May 26, 2021

Serial Number 20200820 was reported as accurate.

RadioWales 6 · August 29, 2018

Serial Number 20202573 was reported as accurate.

Anonymous · June 14, 2018

Serial Number 20202841 was reported as accurate.

Anonymous · October 11, 2017

Serial Number 20200718 was reported as accurate.

Anonymous · May 3, 2016

Serial Number 20200020 was reported as accurate.

Anonymous · January 18, 2016

Serial Number 20200354 was reported as accurate.

Anonymous · March 17, 2015

Serial Number 20201747 was reported as accurate.

pwcanada 103 · July 26, 2014

Serial Number 20200974 was reported as accurate.

Anonymous · October 15, 2012

Serial Number 20200914 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Double Roller changed from Unknown to Yes

Anonymous · October 15, 2012

Serial Number 20200914 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Double Roller changed from Unknown to Yes

Anonymous · July 5, 2012

Serial Number 20201427 was reported as accurate.

Elgin Grade 315 Pocket Watch Movement