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: 20987449
Grade: 315
Model: 3
Class: 114
Estimated Production Year: 1918
Run Quantity: 4,000
Grade/Model Run: 158 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: v48.021

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Data Verification Reports

20984001
Verification Serial Map
20988000

Anonymous · January 31, 2022

Serial Number 20985043 was reported as accurate.

Anonymous · September 6, 2020

Serial Number 20986016 was reported as accurate.

Anonymous · September 6, 2020

Serial Number 20986016 was reported as accurate.

Anonymous · August 15, 2020

Serial Number 20986122 was reported as accurate.

Anonymous · August 4, 2020

Serial Number 20987741 was reported as accurate.

Anonymous · September 29, 2019

Serial Number 20985920 was reported as accurate.

Anonymous · August 27, 2019

Serial Number 20984163 was reported as accurate.

Anonymous · March 7, 2019

Serial Number 20987690 was reported as accurate.

Bullskinner 4 · January 8, 2014

Serial Number 20986748 was reported as accurate.

Anonymous · January 8, 2014

Serial Number 20986748 was reported as accurate.

Anonymous · October 16, 2013

Serial Number 20987954 was reported as accurate.

Anonymous · January 16, 2013

Serial Number 20984549 was reported as accurate.

Elgin Grade 315 Pocket Watch Movement