Pocket Watch Database

From the American Horology Archive:
Elgin Grade 303 Pocket Watch Movement

Elgin National Watch Co.

Grade: 303

Manufacturer: Elgin
Manufacturer Location: Elgin, Illinois
Movement Serial Number: 10688335
Grade: 303
Model: 3
Class: 114
Estimated Production Year: 1904
Run Quantity: 3,000
Grade/Model Run: 1 of 371
Total Production: 2,215,000
Size: 12s
Jewels: 7j
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: Plain
Hairspring: Breguet
Standard Dial Type: Single-Sunk
Adjusted: No
Railroad Grade: No
U.S. Patents: 596407, 77078, 585025
Data Research: 1904 Elgin Serial List
1915 Elgin Serial List
1927/1950 Elgin Serial List
Database Version: v47.152

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Data Verification Reports

10687001
Verification Serial Map
10690000

Iphasmere 19 · November 25, 2021

Serial Number 10688335 was reported as accurate.

Anonymous · June 23, 2021

Serial Number 10687921 was reported as accurate.

Anonymous · March 11, 2020

Serial Number 10689252 was reported as accurate.

Anonymous · July 21, 2019

Serial Number 10689008 was reported as accurate.

Horsetrader1010 11 · June 10, 2017

Serial Number 10688872 was reported as accurate.

Anonymous · June 10, 2017

Serial Number 10688872 was reported as accurate.

Anonymous · May 26, 2012

Serial Number 10688184 was reported as accurate.

Anonymous · April 21, 2012

Serial Number 10688530 was reported as accurate.

Elgin Grade 303 Pocket Watch Movement