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: 14418957
Grade: 303
Model: 3
Class: 114
Estimated Production Year: 1910
Run Quantity: 1,000
Grade/Model Run: 47 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: 1909 Elgin Serial List
1915 Elgin Serial List
1927/1950 Elgin Serial List

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Elgin Grade 303 Pocket Watch Movement