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: 20004769
Grade: 303
Model: 3
Class: 114
Estimated Production Year: 1917
Run Quantity: 3,000
Grade/Model Run: 177 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
Data Research: 1927/1950 Elgin Serial List

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Data Verification Reports

20003001
Verification Serial Map
20006000

Anonymous · July 17, 2018

Serial Number 20004295 was reported as accurate.

Anonymous · May 26, 2018

Serial Number 20003425 was reported as accurate.

Anonymous · May 5, 2018

Serial Number 20005181 was reported as accurate.

Anonymous · July 9, 2014

Serial Number 20004207 was reported as accurate.

Elgin Grade 303 Pocket Watch Movement